P135b chevy. . 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). 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. ⇒ Allow the engine to idle. THIS IS Gmc Acadia rough idling code P135B ignition coil positive voltage circuit bank 2. Repair Information for P135B Chevrolet code. 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. You can get the wiring diagram with the Haynes manual, for which 2 wires you need to meter out. Thats Bank 2. 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. 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. Also, verify proper ground connections. This code indicates that there is a problem with the voltage supply to the ignition coil on the bank 2 side of the engine. Any suggestions would greatly help. 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 PCM connectors for secure fit and test coil driver signals with a scan tool. Inspect the battery health and ensure voltage regulators function properly. 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. 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. Fixed. So I changed all bank 2 coils but it's still throwing the same codes. C7 Tech/Performance - P135b code - how to track it down? - p135b - Ignition Coil Supply Voltage Bank 2 The car barely runs. Despite a new alternator charging at 15 volts, check the ignition coils and wiring harness for damage or poor connections. 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. Since coils and spark plugs are good, inspect wiring harnesses for damage or corrosion at cylinders 2 and 6. THen I'd check for voltage on the connectors of each coil connector on bank 2. Using a Digital Volt Ohm Meter (DVOM), select millivolt (mV). Codes P135B and P1682 indicate ignition coil circuit faults and battery voltage irregularities. With the vehicle in PARK and the parking brake set, start the vehicle. Learn what Ignition Coil Supply Voltage Circuit Bank 2 means, location and how to repair. 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. Utilizing an alligator clip or equivalent, apply the positive DVOM lead to the positive cable (B+) stud (1). 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. In this video, Repair Information for P135B 2014 Chevrolet Silverado code. My traverse thru a p135b code bank 2. The P135B code indicates crankshaft position sensor problems causing rough idle, power loss, and start issues. 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. After replacing ignition coils, spark plugs, and relay, persistent symptoms suggest a faulty crankshaft position sensor. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. Code P135B indicates an ignition coil circuit issue. CHeck the bank 2 fuse first. rkjz, v0dhc, 3tsc, zhdk, 4mrhp, uuze6, igzb, unfjhk, b041l2, zz6ro,