P10E2 2017 GMC SIERRA - Ignition On/Start Circuit Source Bypass Relay Control Circuit Low Voltage autocodes • Aug 18, 2024 · The P1351 Chevrolet code indicates that there is a high voltage condition in the ignition control module circuit. I don't think they are all SAE codes and Apr 17, 2020 · These concerns could be caused by the engine wiring harness cha ng on the ECM mounting bracket, as shown below. Jan 4, 2026 · GMC/Chevrolet Truck/SUV - The ultimate forum for GMC/Chevrolet Truck/SUV latest news, discussions, how-to guides, and technical help. GM Forum - Buick, Cadillac, Olds, GMC & Pontiac chat GM Technical Discussion and Questions GM Recalls GM Recalls Current GM Recalls and recall news New Thread Subscribe Filters Welcome to the GM Forum - Buick, Cadillac, Olds, GMC & Pontiac chat. If you have P0300 and a cylinder-specific misfire, Nov 28, 2023 · 2014 Silverado : Codes P0358, P135B, P2322, P0300, P135B Changed Spark plugs and wires. com Add a Comment Aug 25, 2024 · How to repair P0135 Chevrolet — HO2S Heater Performance Bank 1 Sensor 1 Repair Information for P135B code. Repair Information for P135A 2015 GMC Sierra code. This problem is specific to GM vehicles built from the late 80s through the early 90s. Engage in discussions on various sports topics and stay updated with the latest news and insights on RealGM forums. Thanks in advance. First my truck popped P102A, but I kept driving for a couple days waiting to figure out the problem. Feb 25, 2019 · Make: Chevrolet Number: PIE0513 Title: Check Engine Light On and/or Intermittent No Crank, DTCs P135A, P135B Set Date: 2/25/2019 Models: 2019Traverse Summary: 1 day ago · Shadowfax Technologies is set to enter the primary market tomorrow with its much-watched IPO. Ignition coil supply voltage bank 1 and 2. Example of engine harness damage, Lower Air Cleaner Housing removed shown below. nonda. Aug 29, 2023 · When these codes popped on my truck (P102A, P129F), I could not find an easy fix online. 5Q9 : MOLDING 915, B/S, CUSTOM (SEO) 5R2 : SEAT RR, INTERMEDIATE, DELETION 5R3 : CHASSIS PACKAGE, POWER TRAIN ECONOMY 5R4 : CHASSIS PACKAGE, 110 IN W/B LOW PRO 5R9 : SPEAKER SYSTEM, RR, DELETE 5U3 : COVERING, FLOOR MAT, 10 INCH 5U9 : COVERING, FLOOR MATS, FRT 5V1 : CARRIER, SPARE WHEEL W/O TIRE 5V4 : APPEARANCE PACKAGE, VEHICLE PROVISIONS #l Pontiac, Buick, and all GM vehicles VIN Decoder - Decode your vehicle identification number Dec 28, 2025 · GM Technical Discussion and Questions - The ultimate forum for latest news, discussions, how-to guides, and technical help on Chevrolet, Cadillac, Buick, GMC, Pontiac, Saturn, Opel and Vauxhall. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. The ignition coil is a crucial component in the ignition system of a vehicle, responsible for converting the low voltage from the battery into the high voltage needed to ignite the air-fuel mixture in the engine Aug 28, 2024 · My 2014 Chevrolet Malibu LT won't start and is giving me a P135A code. The cost to diagnose the P135A 2018 GMC Sierra code is 1. It’s only running on the passenger bank. 2016 GMC Acadia 3. car will not drive. The P135B diagnostic trouble code for Chevrolet vehicles specifically relates to the Ignition Coil Supply Voltage Circuit for Bank 2. DTC P135A, sometimes indicated as P135A00, is an OBD diagnostic trouble code indicating a manufacturer-specific fault with the vehicle powertrain (Ignition System or Misfire). Jan 24, 2013 · Hoping this isn't a duplicate but I see a lot of codes being put up and no one knows what they are. GM Forum - Buick, Cadillac, Olds, GMC & Pontiac chat GM Technical Discussion and Questions GM Recalls GM Recalls Current GM Recalls and recall news New Thread Subscribe Filters 1 day ago · Shadowfax Technologies Ltd IPO GMP: Check the latest Shadowfax Technologies Ltd IPO GMP today with live Grey Market Premium updates, expected listing price, and investor sentiment before the IPO goes live on ET Now. 5628370 5643648 The engine harness Official Chevrolet site: see Chevy cars, trucks, crossovers & SUVs - see photos/videos, find vehicles, compare competitors, build your own Chevy & more. Cuando los sensores de oxigeno detectan una temperatura más alta de la prestablecida, envía una señal al ECM y se genera el código P0135. 0 hour of labor. The diagnostic trouble code P135A for a 2017 GMC Sierra indicates a problem with the ignition coil supply voltage circuit in bank 1. DTC P135A or P135B (LF1)Diagnostic Instructions * Perform the Diagnostic System Check - Vehicle (Diagnostic System Check - Vehicle) prior to using this diagnostic procedure. Repair Information for P135A Chevrolet code. Sep 15, 2023 · Driving home last night, I had a p135a code come up and the fuse (F09) kept blowing for the bank, one ignition coils. P2A00 GMC Code - O2 Sensor Performance Bank 1 Sensor 1 Table of contents Created and updated by William Orellana on Sep 09, 2024 Description Common Causes Symptoms How To Fix Cost to Fix Comments Add Comment Nov 9, 2025 · Learn about P135A Chevrolet code causes: ignition coil control circuit issues, blown fuses, faulty ECM. DTC P135A or P135BDiagnostic Instructions * Perform the Diagnostic System Check - Vehicle Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Dec 3, 2023 · Im getting codes P135A and B. The engine harness pinched/shorted/chaffed at grid coordinates G-8, as shown above. I started by checking the fuses, then i used the meter to check the violet and blue wires AutoCodes P135A 2014 CHEVROLET SILVERADO - Ignition Coil Supply Voltage Circuit Bank 1 autocodes. The cost to diagnose the P135A 2015 GMC Sierra code is 1. I checked all the fuses, they look good. Sorry if this is a repeat post. They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. 6L Misfire on Cylinders 2 & 6: Causes and Fixes Acadia 3. The diagnostic trouble code P135A in a 2014 GMC Sierra indicates a problem with the ignition coil supply voltage circuit in bank 1. Welcome to GMForum. Due to the number of circuits in the harness, there is a wide variety of different symptoms that could occur, depending on which circuit(s) are damaged. Inspect the engine harness at the Generator Bracket and Left Front Coil Spring stud as shown below. Learn what Ignition Coil Supply Voltage Circuit Bank 1 means, location and how to repair? Feb 25, 2019 · A technician may find one or more of the following DTCs set: P135A: Ignition Coil Supply Voltage Circuit Bank 1, P135B: Ignition Coil Supply Voltage Circuit Bank 2, P16A7: Engine Controls Ignition Relay Feedback Circuit 2, P16AF: Engine Controls Ignition Relay Feedback Circuit 2 Low Voltage. Protect the engine wiring harness from future damage at Generator Bracket. PONTIAC Technical Service Bulletins Check for technical service bulletins (TSBs) on your vehicle by make, model, and year. This code indicates that your vehicle's engine is misfiring and can be a drivability threat. =============================Claim your FREE engine code eraser 👉 https://free. Your best online source for information, technical data, reviews and discussions for all things GM (General Motors). Install a Zip Tie Fir Tree Clip GM PN 84659133 or 84677081, 28 millimeters below the branch break out from above as shown below. Due to the number of circuits in the harness, there is a wide variety of di erent symptoms that could occur depending on which circuit(s) are damaged. The issue comes at a time when online shopping and same-day delivery services are seeing steady growth across India. Learn what Ignition Coil Supply Voltage Circuit Bank 2 means, location and how to repair. Note: Under normal driving conditions, the engine will rock back and forth in its mounts. com. DTC P135A or P135B (LFW)Diagnostic Instructions * Perform the Diagnostic System Check - Vehicle (Diagnostic System Check - Vehicle) prior to using this diagnostic procedure. This code indicates that there is a problem with the electrical circuit that supplies power to the ignition coil on the specified bank of cylinders. Checked wiring from ecm to fuel rail and we have good continuity. . * Review Strategy Based Diagnosis (Strategy Based Diagnosis) for an overview of the diagnostic approach. The ECM mounting bracket has a sharp edge (1) and it can cut into the wiring harness. P135B DTC P135A or P135B Diagnostic Instructions * Perform the Diagnostic System Check - Vehicle Diagnostic System Check - Vehicle prior to using this diagnostic procedure. This location is approximately 18 inches from the ECM connectors (1) and on top of the generator (2), as shown below. Repair Information for P135A Cadillac code. The ignition control module plays a crucial role in controlling the ignition timing and firing the spark plugs at the right moment. Fixed. Aug 13, 2025 · Buick - The ultimate forum for Buick latest news, discussions, how-to guides, and technical help. Pulled all the connectors off and pulled the coils out and inspected for any damage and could not find any visible damage. will start,idle and acclerate in park and neutral but dies Repair Information for P135A 2018 Chevrolet Silverado code. The other code is P135A - Ignition Coil voltage supply circuit 1. So here is a list of codes and their "meanings". The P135A diagnostic trouble code for Chevrolet vehicles indicates a problem with the Ignition Coil Supply Voltage Circuit in Bank 1. Service Information 2015 Cadillac SRX | SRX Service Manual (7563276) | Document ID: 2834621 DTC P135A or P135B Diagnostic Instructions May 18, 2023 · In this article, we'll be decoding the P0300 code in your Chevy, exploring its causes, and providing solutions to help you get your car running smoothly again. * Review Strategy Based Diagnosis Strategy Based Diagnosis for an overview of the diagnostic approach. Repair Information for P135A 2017 GMC Sierra code. The ignition coil is a crucial component in the vehicle's ignition system, responsible for converting the low voltage from the battery into the high voltage needed to ignite the fuel-air mixture in the engine Fix Engine Code CHEVROLET P0135 Easy DIY Method A | The Oxygen Sensor (1) Inspect the Oxygen Sensor (2) Replace the Oxygen Sensor The components displayed in this video are generic components that Engine Wire Harness Chafing / IPC Gauges Sweep / IPC Warning Message / SES/Check Engine/MIL / No Start / No Crank / Runs Rough / Stalls / Reduced Engine Power / Various DTCs C118D P0016 P0045 P0046 P0048 P007B P007C P007D P007E P0087 P0089 P0090 P0091 P0092 P0096 P0097 P0098 P0099 P00C7 P00C9 P00CA P00DF P00E0 P00E1 P00E2 P00E9 P00EA Repair Information for P135A 2014 GMC Sierra code. This may result in harness contact with this bracket that may not be present during engine off inspections. GM bulletins are intended for use by professional technicians, NOTa "do-it-yourselfer". Jan 6, 2026 · Chevrolet - The ultimate forum for Chevrolet latest news, discussions, how-to guides, and technical help. Dec 24, 2021 · Bank 1 is the driver's side of the engine, so remove and inspect all of the connections for the coils, not just on the coils themselves. I checked the voltage at the plugs and while running, the far left plug (pin 4) is over 12v the other 3 are grounded. After paying an autoshop to install a used engine, looks like they didnt quite know what they were doing after seeing there work. 6L often faces ignition coil failures and sensor-related misfires causing rough idle and acceleration issues. co 👈=============================Engine Code P1351 Saving Repair Parts Aug 14, 2018 · P0300 is a generic OBDII code that can occur with the Chevy Suburban. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring). After pulling each coil to see what cylinder is not firing we found that the entire drivers side bank is dead. Welcome to the Forum from NH. Here is a partial list of the cars that used this style fuel injector. Registration is free and provides instant involvement into the most popular GM community around. I am not getting any injector pulse, I installed and programmed a new ecm and still no pulse. Misfires on cylinders 2 and 6 with P135B and P0300 codes often stem from faulty ignition coils or wiring issues despite new plugs and sensors. The P135A code indicates a crankshaft position sensor circuit issue, often causing ignition fuse #38 (20 AMP) to blow due to a short to ground. This code indicates that there is a problem with the voltage supply to the ignition coil in the second bank of the engine. 2016 Terrain with 81000 miles code P135A. Inspect the sensor wiring harness for damage or shorts near the engine compartment fuse box. Gmc Acadia rough idling code P135B ignition coil positive voltage circuit bank 2. Some are cryptic but at least it's something to go on. I know that the Traverses had a connector issue like this for a year or two; other informed people will probably chime in with suggestions. Welcome to the GM Forum - Buick, Cadillac, Olds, GMC & Pontiac chat. The P135A diagnostic trouble code (DTC) refers to an issue with the ignition coil supply voltage circuit on Bank 1 of the engine. The P135A diagnostic trouble code (DTC) for a 2015 Chevrolet Silverado specifically refers to the Ignition Coil Supply Voltage Circuit Bank 1. Mar 11, 2022 · I have a 2016 Terrain I put a new reman engine into. This means that there is an issue with the electrical supply to the ignition coil in one of the engine banks. These are not limited or specific to the Cruze. This bulletin applies to 2014 Chevy Silverado 1500, 2015-2018 Silverado, 2019 Silverado LD, 2019 Silverado 2500/3500, 2015-2019 Suburban and 2015-2019 Tahoe vehicles. I changed ignition coils an a week later 1 of the ignition coils melted and car wouldn't start. 2 codes referenced Ignition coil 8, so I changed that as well Hasn't helped one bit Make: Chevrolet Number: PIE0513A Title: Check Engine Light On and/or Intermittent No Crank, DTCs P135A, P135B Set Date: 5/28/2019 Models: 2019Traverse Summary: DTC P135A or P135BDiagnostic Instructions * Perform the Diagnostic System Check - Vehicle Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Aug 29, 2024 · I have a 2018 Tahoe with a P135a code. Replace the crankshaft position sensor if faulty. Fir Tree Clip into the location shown below in the ECM Mounting Br Zip Tie Fir Tree Clip installed securing the harness as show below. Then the truck struggled to start and died while I was on the road Aug 13, 2022 · Repair Information for P135A 2016 Chevrolet Silverado code. This code indicates that there is a problem with the electrical circuit responsible for supplying power to the ignition coil in the first bank of the engine. Learn what Ignition Coil Supply Voltage Circuit Bank 1 means, location and how to repair. The P135A diagnostic trouble code (DTC) refers to an issue with the ignition coil supply voltage circuit on Bank 1 of the engine.

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