P135b chevy. Code P135B indicates an ignition coil circ...

  • P135b chevy. Code P135B indicates an ignition coil circuit issue. ⇒ Allow the engine to idle. C7 Tech/Performance - P135b code - how to track it down? - p135b - Ignition Coil Supply Voltage Bank 2 The car barely runs. Since coils and spark plugs are good, inspect wiring harnesses for damage or corrosion at cylinders 2 and 6. You can get the wiring diagram with the Haynes manual, for which 2 wires you need to meter out. The FIXD wireless OBD2 scanner and free app for iPhone and Android translates your check engine light into plain English so you can rest easy. My traverse thru a p135b code bank 2. Any suggestions would greatly help. In this video, Repair Information for P135B 2014 Chevrolet Silverado code. Learn what Ignition Coil Supply Voltage Circuit Bank 2 means, location and how to repair. If the customer has not commented about this condition or the EI does not show in GWM/IVH, disregard the PI and proceed with diagnostics found in published service information. What are the possible causes of OBDII code P135B in a Chevrolet indicating an issue with the Ignition Coil Supply Voltage Circuit Bank 2? - Potential causes include a faulty ignition coil, damaged wiring or connectors, a defective ignition control module, or a problem with the engine's computer. THIS IS Gmc Acadia rough idling code P135B ignition coil positive voltage circuit bank 2. Nov 19, 2025 · P135B is my main issue, I replaced the fuse and tested the harness so I don’t understand what the issue is and why my truck won’t start. Despite a new alternator charging at 15 volts, check the ignition coils and wiring harness for damage or poor connections. THen I'd check for voltage on the connectors of each coil connector on bank 2. Nov 9, 2025 · Découvrez les causes du code P135B Chevrolet : fusible de bobine dallumage défectueux, circuit électrique défaillant ou problème du module de commande du mot Feb 25, 2019 · This technical bulletin provides a procedure to test and repair the underhood fuseblock if found the cause of the p-codes set. 19-NA-119 Chevrolet Mechanical Technical Service Bulletin Make: Chevrolet Number: 19-NA-119 Title: Intermittent No Crank, Malfunction Indicator Lamp (MIL) Illuminated - DTCs P135A, P135B, P16A7 and/or P16AF Set Date: 2/25/2019 Models: 2019Traverse Summary: P135B is the code I am currently getting on my 2017 Traverse. With the vehicle in PARK and the parking brake set, start the vehicle. 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. Codes P135B and P1682 indicate ignition coil circuit faults and battery voltage irregularities. This code indicates that there is a problem with the voltage supply to the ignition coil on the second bank of cylinders in the vehicle's engine. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. Repair Information for P135B Chevrolet code. So I changed all bank 2 coils but it's still throwing the same codes. Thats Bank 2. Utilizing an alligator clip or equivalent, apply the positive DVOM lead to the positive cable (B+) stud (1). After replacing ignition coils, spark plugs, and relay, persistent symptoms suggest a faulty crankshaft position sensor. Also, verify proper ground connections. It feels like it's running on 4 cylinders which may make sense if Bank 2 isn't getting any voltage. GM bulletins are intended for use by professional technicians, NOTa "do-it-yourselfer". CHeck the bank 2 fuse first. Inspect the battery health and ensure voltage regulators function properly. What's The P135B diagnostic trouble code (DTC) in a 2018 Chevrolet Silverado specifically refers to an issue with the Ignition Coil Supply Voltage Circuit in Bank 2. This code indicates that there is a problem with the voltage supply to the ignition coil on the bank 2 side of the engine. The P135B code indicates crankshaft position sensor problems causing rough idle, power loss, and start issues. Using a Digital Volt Ohm Meter (DVOM), select millivolt (mV). . If a The P135B diagnostic trouble code (DTC) for a 2016 Chevrolet Silverado refers to an issue with the Ignition Coil Supply Voltage Circuit on Bank 2. Check the PCM connectors for secure fit and test coil driver signals with a scan tool. DTCs P135A, P135B Set Attention: Proceed with this EI ONLY if the customer has commented about this concern AND the PIE number is listed in the Global Warranty Management / Investigate History link (GWM/IVH). Fixed. 5ban5v, wgbll, 3agr0, ctutb, lmumub, jlce, phbru, opole, ljokw, ufkwvq,