2009 chevy traverse u0073

S. I pushed it into my garage and changed the timing chains. Jun 18, 2023 · The u0073 code on a chevy silverado indicates a communication problem in the controller area network (can) bus system. Jul 19, 2023 · The supervision time-out period is 250 ms. Each message contains the identification number of the transmitter module. I have a 2009 Chevy Traverse that got several P008 codes and then wouldn't start. No crank. This diagnostic code can trigger in a number of different control modules, and it indicates that there’s a Mar 27, 2022 · That will help to narrow down whether it is the Module itself or the Wire Harness. Bulletin No. the 09s have the BOSCH coils- which cause alot of misfire issues. Severed CAN-bus cable. It is generic, so it has the same meaning for your Chevy Trailblazer as it would any other. Apr 17, 2023 · Labor: 1. Jul 28, 2023 · The U0140 code stands for “Lost Communication With Body Control Module (BCM)”, which usually means the BCM isn’t properly transmitting or receiving signals from various switches and sensors in your vehicle. That can impact problems and erratic behavior of several systems in the vehicle. Faulty gasket or a cracked manifold could be the culprit. When you start a thread, make sure the title summarizes your topic. Detailed specs and features for the Used 2009 Chevrolet Traverse including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more. 2328026. 2010 Summit White Traverse LTZ, SOLD 4/2012 <br />2015 Traverse 2LT Siren Red Tintcoat-36 Month Lease. Another scanner also shows the U0073 "control module, communication Bus 'A' off". News Rating. Jun 2, 2021 · GMC Sierra U0073: Symptoms. May 23, 2021 · It is optional. Some People prefer to talk on the phone. These codes also came up again as pending. Nov 20, 2017 · If DTC U0140 sym00 or U0073 sym71 is set in any of the high speed modules, refer to "Testing for Electrical Intermittents" in the service manual to reset the DTC and diagnose the location of the fault. U0100 is a generic diagnostic trouble code, meaning it has the same definition for any vehicle made in the 1996 model year or newer (including the Chevy Traverse). truck has engine light and codes u0073, u0100, p2544. The bank 1 catalytic converter (P0420) matches the cylinder 3 misfire bank. 5L (LFV) CVT250 Automatic (MRG) Involved Region or Country North America, Israel Condition Note: Not all of the effects or driver notifications listed have been Jul 22, 2020 · Hi everybody, and welcome to my "stevenofpa" YouTube Channel!This video shows you what it's like to see the broken wire that was causing a trouble code U0101 This video is "a little rough" in terms of editing. U0100 is a generic diagnostic trouble code, meaning it has the same definition for any vehicle made in the 1996 model year or newer (including the Chevy Malibu). Now it still won't start. 6L 24,000. A U0073 code is caused by the Control Module Communication Bus “A” Circuit having communications trouble. Jan 15, 2018 · P0430 after removing the intake manifold could be an indication of an air leak at the manifold. Research the 2009 Chevrolet Traverse at Cars. Data is transmitted from one module to the next bit by bit. It then uses this information to determine control of various outputs, such as the shift solenoids and torque converter clutch solenoid. . The meaning of fault code U0073 is: Control Module Communication Bus A Off. I have two different scanners and one shows the U0121 code "lost communication with electronic brake control module". 6L 125,000. I'm going to attach the testing for all three DTC's. Common U0073 Symptoms Include: Check Engine Light. General Automotive Help & Discussions. Aug 9, 2023 · The diagnostic trouble code (DTC) U0109 stands for “Lost Communication with Fuel Pump Control Module. Inspect for chafed (1), damaged, pinched, open or shorted wiring. Try clearing the codes, they come back. 2009 Chevrolet Traverse LT1 4dr SUV (3. Jan 11, 2016 · 2010. Aug 11, 2022 · To diagnose the P1682 Chevrolet code, it typically requires 1. #2 · May 24, 2015. Aug 28, 2016 · When communication breaks down intermittently or fully between modules, a code is set in a module to indicate the failure. It covers the P0430 code's meaning, symptoms, causes, and possible solutions. Select Settings. 5 LLY, 2X, shell, XDR, MikeL Heavy duty up Jul 5, 2020 · Tech Notes. P0700 - Transmission Control Module (TCM) Requested MIL illumination (Malfunction Indicator Lamp) U0073 - Control Module Communication Bus A Off. com and find specs, pricing, MPG, safety data, photos, videos, reviews and local inventory. Jun 2, 2021 · U0073 is a fairly common trouble code. '11 LTZ, born Aug 2010, Fairfax, KS. Oct 16, 2023 · The U0073 code is defined as a “Control module communication bus A off”. Once the fail-safe mode has been set it will remain until the fault has been repaired or normal operation has been found. 6L V6 which makes 288 horsepower and gets up to 19 MPG. temp. 0. Scanned for codes only one found was U0073 control module communication bus off symptom 00 test failed since dtc clear. Reduced Engine Power. Today on the way to school I was accelerating up a ramp and felt reduced power, halfway up the ramp traction control light, ESC and check engine light all came on at the same time and the car started to misfire. xml. To fix this issue, you should visually inspect the wiring harness and connectors, checking Aug 20, 2022 · The engine found in the 2009 Chevrolet Traverse is a weak 3. Resets codes. 8. V6/A6, Red Jewel Tintcoat / Cocoa-Cashmere, Sunroof. No problems starting back up if I let it sit for a few. Jun 17, 2019 · Second Opinion] 2008 chevy silverado 1500 4x4 with a 5. Damaged wires, BCM internal hardware failure, and data network problems are some common causes of the U0140 code. Stabilitrax fixed , abs traction , control off Buick chevy traverse enclave 2009 Chevrolet Silverado codes p0641, p06A6, and p069E I have A 2009 Silverado and the check engine light is on. This code appears when something has interrupted the communication between two of your Colorado's control modules. Jun 2, 2021 · The symptoms associated with U0073 are going to depend on your Tahoe’s engine and model year, as well as whether there is an intermittent communication problem, or if there is no communication at all between the control modules. The PCM then makes use of this data to make adjustments to your car engine’s fuel consumption. Yesterday while driving home, I stop at a red light. It may be as simple as changing out the coils for updated units. The code, U0073, can register in one or more modules: powertrain control module (PCM), transmission control module (TCM), anti-lock brake (ABS) module, or body control module (BCM) in various locations. 6L 6cyl 6A) 44 of 45 people found this review helpful. MHH AUTO FORUMS. Anti-lock brakes are required on all modern vehicles. (1) 2011 Traverse Codes P069E, U0109, and U0100 2011 Chevy Traverse. Attached here is U0073. Unhook battery, clear codes they come back. The Diagnostic Trouble Code (DTC) will be set when the device setting the DTC has attempted to establish communications on the serial data circuits more than 3 times in 5 s. Mar 16, 2020 · 5906 posts · Joined 2011. Reduced Engine Jul 12, 2021 · July 12, 2021 by Jason. medicrxdoc. Subject: Loss of High Speed GMLAN Communications, Intermittent No Crank, IP Gage Fluctuation, Intermittent Door Lock Cycling, Intermittent Chime Operation, Various IP Warning Lamps Illuminated, Transmission May Not Shift, Engine May Stall, Communication DTCs U0073, U0100, U0101, U0102 Code U0121 stands for Lost Communication with Anti-lock Brake System Module. What needs to happen is the cluster can be commanded to sweep gages using the GM Tech 2 scan tool. P0430 is usually caused by a catalytic converter issue or a bad O2 sensor. Description: Used 2009 Chevrolet Traverse LS with Front-Wheel Drive, Keyless Entry, Trailer Hitch, Bucket Seats, Third Row Seating, Satellite Radio, Steel Wheels, and Rear Air Conditioning. Here is the U0100 / U0101. Jan 10, 2020 · Code U0073 control module bus off. It can be a stand-alone module or a computer integrated into the PCM. 8 /10. Good luck fixing your Trailblazer! U0073 Definition: Control Module Communication Bus"A" Off U0073 is a fairly common trouble code. Our experienced technicians are always ready to assist, simply call us at (800)-886-9926, or contact us directly on our website. If I'm parked, the car will die and it will take a few minutes to get it started back up. Jul 23, 2021 · P069E code indicates that the FPCM has identified an issue in the fuel system and is requesting the PCM turn on the check engine light. vehicle may exhibits some symptom(s) as door locks cycle while driving Worst 2009 Chevrolet Traverse Problems #1: Transmission Failure 2009 Traverse Average Cost to Fix: $3,200 Average Mileage: 87,000 mi. #4 · Mar 17, 2020. This code appears when something has interrupted the communication between two of your Malibu’s control modules. To diagnose the U0140 Chevrolet code, it typically requires 1. Find out what exactly this means, the symptoms and causes of the code U0073 and how to fix the malfunction. My wife described this issue but this is the first time I witnessed it for myself so I busted out my pho Jul 26, 2019 · 2009 Chevy traverse 3,6 code u0073 - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. It may include some cheap-feeling interior materials, but with excellent safety scores and a spacious interior, the Traverse is a well-rounded choice among used SUVs. The antilock braking system (ABS) prevents wheel lockup by modulating the brakes in an emergency situation. Select and start SPS/SPS2. U0073 Chevrolet Code - Control Module Communication 6. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Usually, the FPCM is a stand alone module. Nov 12, 2019 · 2019 March - P0121 replaced throttle positioning sensor. This code tells you that communication has been lost between the ECM/PCM (main computer) and a particular control module has been completely lost. 2023 Traverse LT 3. Open TLC/TIS on the computer used to program the vehicle. The P0700 just triggers the check light. A data bus is used by modern automobiles’ computers (also known as modules) to communicate with one another. Also check the harness where it goes over the trans, sometimes the wire gets cut or wears and shorts. A U0073 code indicates that communication between your car’s modules has been lost. Thread Rating: 44 Vote (s) - 2. I put a scan reader on it a couple of times as I was trying to start it and one time I got three codes. 2009. i'm using my personal obd-ii auto Code U0101 stands for Lost Communication with TCM. It is generic, so it has the same meaning for your Chevy Colorado as it would any other. Apr 11, 2020 · In this video I have a look at a 2010 Chevrolet Traverse 3. Date: Jun-2015. If the code is retrievable, dealers should resubmit the transaction making sure to include the code in the Oct 25, 2015 · Some 2008-2012 Enclave, 2009-2012 Traverse, 2007-2012 Acadia and 2007-2010 Outlook models may exhibit one or more of the following conditions: • Engine is hard to start • Engine will not start • Engine starts, then stalls • Fuel gauge is inoperative or fluctuates • Service Engine Soon/Check Engine light is illuminated If you decide you need professional help, consider giving Solo PCMs a call. Performance is average, taking 7. I even try to manually push the rear hatch button, and that didn't work. Andrew Harvey. U0073 Code - Control Module Communication Bus 'A' Off. U. Throws a P0700, P2544, U0073, U0101. 2019 October - P0700 and U0073 Hard downshifts, flare at 3k rpm up shifting, Stabilitrack service warning. Aug 3, 2022 · To diagnose the P0856 Chevrolet code, it typically requires 1. Sep 14, 2018 · This page is meant to help you troubleshoot the Chevy Traverse P0430 trouble code. Not making any noises. ⇒ If the wiring is damaged, repair as needed. P0430 is an emissions-related trouble code and is virtually never a breakdown risk. 4 liter Malibu" won't get many clicks because it doesn't explain anything and it won't show up in searches for your issue. : 08-07-30-021H. I read the codes and they are p0641 (5 volt reference voltage incorrect), p06A6, and p069E(Fuel pump control module requested MIL illumination). 1. There are numerous module devices located throughout your vehicle. The transmission control module (TCM) is the computer that controls your vehicle’s transmission. P0130. Once you have the codes, you can consult the vehicle’s manual or relevant repair Jun 2, 2021 · The symptoms associated with U0073 are going to depend on your Cruze’s engine and model year, as well as whether there is an intermittent communication problem, or if there is no communication at all between the control modules. ”. These computerized cars are very finicky when the battery strength gets low. 2013 Equinox 3. Learn More #2: Difficult Turning 2009 Traverse Jun 29, 2020 · Labor: 1. - C0561 71 System Disabled Information Stored Invalid Serial Data Received. The cause of this fault code could be a faulty BCM, an open or shorted BCM harness, or a poor Jun 21, 2023 · Repair damaged wiring. C0040, C0045, C0050, C0055, C0511, U0073, U0100, U0121, U0140 and/or P0700 Set Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Chevrolet Malibu 2019 2020 — — 1. The CAN bus modules are linked in parallel. It is generic, so it has the same meaning for your Chevy Malibu as it would any other. The U0073 code can be triggered by an open or short circuit on the CAN bus. U0073 High-Speed Communication Bus. Mods: WeatherTech mats, CHMSL Pulser. May 24, 2015 · M. The automobile fault code U0140 indicates a problem with the Controller Area Network (CAN) communication system or the Body Control Module (BCM). The VIN, Warranty Claim Code and Date/Time will be listed on a roster of recent programming events. Backed out pin or pins in one or more CAN-bus cable connectors. It means that your Express’s TCM (Transmission Control Module) can’t communicate with the rest of the vehicle, usually due to a bad wiring harness or an issue with the TCM itself. -Dealer throws up there hands and shrugs their shoulders. Chevy 04. The most common symptom is the illumination of the Engine Light or Service Engine Soon Warning Light. Hard Start/No Start. If damage is not observed, then extract the wiring from the conduit and inspect all of the remaining areas as needed. I replaced the in tank fuel pump, the pressure sensor on the end of the fuel rain neither of changing anything. I had headlights, instrument panel display, and everything works as normal, except the remote control rear hatch won't open. Oct 15, 2014 · Here is one copy and paste from the Google search I did for you. Coolant entering the cylinder can also cause this and the coolant leak could be caused by the same issue (s) stated above. 6 that was dropped off with a customer complaint of, stability light, traction control light, ABS Jun 2, 2021 · U0073 is usually caused by an issue with the wiring harness connection going in and out of the control module. 2L LS3 V8/6-Speed Manual. I have talked about the cause and solution of the U0073 code below. Took it to O'reilly and pulled U0073 and it showed no reported causes and several random fixes like clean or replace MAF May 24, 2012 · To attach a file to your post, you need to be using the main 'New Post' or 'New Thread' page and not 'Quick Reply'. See pricing for the Used 2009 Chevy Traverse LT Sport Utility 4D. How-to: Remote express windows up/down. 9 seconds to go from 0-60 MPH, but the towing capacity is low for a full size SUV at up to 5,200 pounds. Nov 15, 2018 · Recently replaced the timing chains in my 2009 traverse along with a broke cam phaser and complete valve job and heads gone threw. CAN-bus cable insulation frayed causing a short to ground. Dec 2, 2015 · Pretty funny. Aug 8, 2019 · Have your battery checked. #1 · Jan 17, 2015. As damaged or corroded wiring connections are a common cause of U0073 errors, the mechanic may repair or replace any damaged wiring harnesses and connectors in the affected systems. This may cost anywhere between $100 and $400 depending on your car model and what needs to be done to fix it. S. GM CODES U0073 AND B3779. I changed out the battery with a new one and The U0073 code is a generic trouble code that indicates an issue with communication. - C0561 74 System Disabled Information Value of Signal Protection Calculation Incorrect. Gently pull the wiring harness (2) up from the rear of the engine (1). Jan 14, 2024 · GMC code U0073 refers to a communication fault between different control modules in the vehicle. The next morning, it failed to start again. The symptoms associated with U0073 are going to depend on your Sierra’s engine and model year, as well as whether there is an intermittent communication problem, or if there is no communication at all between the control modules. Jun 21, 2021 · June 21, 2021 by Jason. The U0073 Code in your Chevrolet Silverado indicates the interruption of communication between your vehicle’s control modules. U0140 - Definition: Lost Communication With Body Control Module. When the wires get torn apart or separated from each Aug 19, 2021 · how to fix u0109 obd-ii trouble codelost communication with fuel pump control module (fscm) for chevy traverse 2012 model. We have had the Traverse for about 2 years and just on Friday I was driving Jan 17, 2015 · 4946 posts · Joined 2013. 381 posts · Joined 2009. ” The ABS module issues the necessary commands to modulate brake pressure and maintain the correct percentage of tire slip under emergency braking and adverse road surface conditions. Yesterday cel came on yesterday. Chevy Mechanic: DanielP121. Today was a high of 15 degrees. May 29, 2014 · U0073 fix. The common causes of the U0109 code include a bad fuel pump control module, wiring issues, and data network issues. P0403. Keep in mind that the gage testing and any programming needs to be done at a GM dealer using the GM Tech 2 scan tool. com. Body Control Module (BCM) Here is a list of some of the possible causes for this OBD Code: Unseated connector at one or more of the system modules. P0108. Randomly losing power to everything on my dashboard. In its first year on the market, reviewers said the 2009 Chevrolet Traverse was sleek-looking, spacious and quiet. Jun 2, 2021 · The symptoms associated with U0073 are going to depend on your HHR’s engine and model year, as well as whether there is an intermittent communication problem, or if there is no communication at all between the control modules. To use the main 'New Post' page, click the 'Post Reply' button in the relevant thread. It is common for most auto repair shops to charge between $75 and $150 per hour. - C0561 72 System Disabled Information Stored Alive Counter Incorrect. Jul 3, 2018 · Today My wife and I got inside the SUV, I turn the key and nothing happen, displaying Code U0073 Control Module Communication bus off. P0121. If the code is retrievable, dealers should resubmit the transaction making sure to include the code in the Apr 9, 2020 · P0700 is set when the pcm identifies a transmission control system malfunction. May 17, 2014 · To obtain your registration code, please reach out to info@mhh-co. NOTE #2: The BCM is located UNDER the Drivers Side of the Dash and to the LEFT of the Steering Column. U0101, and U0073 Jun 3, 2021 · The symptoms associated with U0073 are going to depend on your Trax’s engine and model year, as well as whether there is an intermittent communication problem, or if there is no communication at all between the control modules. While driving home was going 40mph speedometer dropped to 35 then back up. I have codes u0073 u0100 u0101 and p0700. Poor Fuel Mileage. U0101 is a generic powertrain code, which means it has the same definition for the Chevy Express as it would any other vehicle. This malfunction causes the vehicle to set a check engine light and a fail-safe mode to trigger. To diagnose the U0121 Chevrolet code, it typically requires 1. GM Group Opel-Vauxhall, Saab, Chevrolet, GM USA, Chrysler Discussions. Jun 2, 2021 · The symptoms associated with U0073 are going to depend on your Express’s engine and model year, as well as whether there is an intermittent communication problem, or if there is no communication at all between the control modules. Check for worn through wiring insulation, burned wire insulation or broken wires. Your vehicle’s powertrain control module (PCM) will log this code when the fuel pump control module develops a problem. Mar 28, 2022 · 2008 2500HD Sierra 4x4 6l90 WT (Very few modules, manual windows) Driving along, the trans goes in to limp mode. This issue can lead to various problems in the vehicle’s communication between different modules, such as misfiring, engine stalling, or failure of several electronic systems. Ask Your Own Chevy Question. Feb 10, 2011 · U0073 - Definition: Control Module Communication Bus "A" Off. Next to the U0073 was there another number U0073-01 02 03 etc , Nov 27, 2014 · but it usually turns out to be a misfire--- which is not reported via setting a CEL- or setting a pending CEL. Inspect the wiring harness for a contact condition with the muffler or exhaust mounting (1). How-to: LEDs in mirrors :: How-to: 1-Wipe Wash. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. The lights, and accesories, including radio were all working, the fuel gauge was not working, My scan Oct 5, 2022 · U0100 - Lost communication with Engine Control Module (ECM) P0575 - Cruise Control switch signal message counter incorrect. Basically, the ABS system does what the driver used to do in the old days - pump the brakes during a panic Apr 20, 2014 · Just curious do you have the C0242 or C0252 DTC C0252 00: VSES Sensors Uncorrelated Circuit/System Description The electronic brake control module (EBCM) controls the vehicle stability enhancement system (VSES) by monitoring the inputs of the yaw rate/lateral accelerometer sensor, and steering wheel angle sensor. Jul 19, 2023 · How to Fix the DTC U0073 Chevrolet? Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Oct 2, 2022 · When the stabilitrak and traction control alarm, it will shift extremely hard from 1st to 2nd, and fairly hard from 2nd to 3rd. When I take of the truck jerks like it just down shifted and the dash lights up with a message, Service stabilitrac and service traction control. Has anyone seen all of these codes together Jun 2, 2021 · The symptoms associated with U0073 are going to depend on your Equinox’s engine and model year, as well as whether there is an intermittent communication problem, or if there is no communication at all between the control modules. What Does the U0121 Code Mean? Fault code U0121 stands for “Lost Communication With Anti-Lock Braking System (ABS) Module. I stop at a gas station turn it off for a few minutes turn it back on, and all is clear. 98 Average. Check the bottom of the oil fill cap for frothy moisture deposits as Chevrolet Traverse 2009; Recalls; additional diagnostic information for u0140 or u0073. View local inventory Jun 21, 2021 · June 21, 2021 by Jason. Jun 29, 2020 · Labor: 1. Jun 2, 2021 · The symptoms associated with U0073 are going to depend on your Suburban’s engine and model year, as well as whether there is an intermittent communication problem, or if there is no communication at all between the control modules. These modules communicate with the PCM about the performance of your car via the CAN bus. I cleared the code it came back on after two-three more drive cycles. "2010 2. Learn about common causes of the U0100 code, and how to diagnose them. The most common causes of U0073 are wiring problems (think open or short circuit). You have a loss of commhincation between modules , if the odometer is acting up ,the cluster wiring and cluster itself will be first suspect. Nov 4, 2011 · Subject: Additional diagnostic information for U0140 or U0073 Models: 2008-2009 Buick Enclave 2006-2009 Buick Lucerne 2006-2009 Cadillac DTS 2007-2009 Cadillac SRX 2008-2009 Cadillac CTS 2007-2009 Chevrolet Avalanche, Silverado, Suburban, Tahoe 2006-2009 Chevy Impala 2006-2007 Chevy Monte Carlo 2008-2009 Chevy Savana aburgener, 10/06/2014. Get KBB Fair Purchase Price, MSRP, and dealer invoice price for the 2009 Chevy Traverse LT Sport Utility 4D. Many readers will only read the 700 and not the others. P0234. Limp truck back home, gauges start acting up, door locks freak out. Table of Contents The automobile fault code P0463 can be caused by a faulty fuel level sensor, an open or shorted fuel level sensor harness, a poor electrical connection in the fuel level sensor circuit, a faulty instrument cluster, or a faulty engine control module (ECM). Short Circuit. If I'm driving, the car will continue to run, I just lose Mileage: 50,201 miles MPG: 17 city / 24 hwy Color: Red Body Style: SUV Engine: 6 Cyl 3. Various sensors provide input to the TCM. -Dealer blames the throttle positioning sensor, that was replaced a few months ago. Jun 2, 2021 · Good luck fixing your Colorado! U0073 Definition: Control Module Communication Bus"A" Off U0073 is a fairly common trouble code. Oct 4, 2010 · If you have a 700 code-- there are other trans codes-- start by having the trans codes read. More. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded. U0100. May 6, 2023 · A few days ago, My mothers 2010 Traverse AWD LT with the tow package failed to start, or even crank in the morning, and it started after the battery was replaced, so we figured it was fixed. replaced fuse block and … read more. I could see why a dealership wouldn't program then new one because they don't know how many miles it was driven without an operating cluster so the mileage would be inaccurate, especially if the vehicle is still being driven pending install of the new cluster. Feb 21, 2024 · The U0073 code is often caused by a fault in the communication bus ‘A’ wiring, which can be caused by a variety of factors, including corrosion, moisture, or physical damage. Like. If it's time to replace your PCM we're here to help. After re installing everything it’s running rough, going in reduced power mode, and throwing p0087 code. 3l v8. 6 L Transmission: Automatic. Oct 17, 2023 · Causes of Code U0073. The FPCM supplies and regulates the voltage that goes to the fuel pump and the fuel pump relay. 2017 Chevy SS Sedan • 6. To diagnose and fix this issue, you will need a diagnostic scanner or code reader that can retrieve the specific trouble codes from the vehicle’s computer system. My current theory is that either (a) coils were going bad for awhile before I got the misfire code and damaged the cats, or (b) cold weather triggers catalytic converter codes more easily. 0 hour of labor. If you find any issues with the wiring, you need to repair or replace it as necessary. To diagnose the B1370 Chevrolet code, it typically requires 1. Meaning. Locate the side object detection sensor wiring harness on the right rear of the vehicle between the exhaust muffler and the rear compartment floor lower extension. That means that the CAN bus controller has detected a problem with a cable that is used for communication between several modules. Select the Warranty Claim Code tab. vw lr dx tq xt fz zm lo sx vl