P135b code, Code P135B Description The diagnostic trouble code P135B refers to an issue with the Ignition Coil Supply Voltage Circuit in Bank 2 of the vehicle's engine. Visually inspect the related wiring harness and connectors. Thats Bank 2. I don't want to spend $200 on the new fuse block if there is actually another issue at play. A P135B code on bank 2 indicates ignition coil or spark plug issues. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins. Code P135B Buick Description The P135B Buick code refers to an issue with the Ignition Coil Supply Voltage Circuit on Bank 2 of the vehicle. Feb 12, 2020 · P135B – Knock Sensor Signal 2 Signal Implausible P135B Possible Symptoms Engine Light ON (or Service Engine Soon Warning Light) P135B Possible Causes Faulty Knock Sensor,Knock Sensor harness is open or shorted,Knock Sensor circuit poor electrical connection P135B Description The Engine Control Module (ECM) monitors the Knock Sensor. Since coils were replaced but the code persists, inspect spark plugs for fouling or damage. This code indicates that there is a problem with the voltage supply to the ignition coil in the second bank of the engine. The ECM sets the OBDII code when the Knock Sensor is not to DTC P135B, sometimes indicated as P135B00, is an OBD diagnostic trouble code indicating a manufacturer-specific fault with the vehicle powertrain (Ignition System or Misfire). Thanks!! Mar 23, 2019 · I have code p135b on my 2012 chevy traverse. THen I'd check for voltage on the connectors of each coil connector on bank 2. All codes point to a low circuit issue which would make sense with this. 4K views 1 reply 2 participants last post by brother sprucetree Nov 19, 2025 2012 Traverse P135B Code Bank 2: Coil and Spark Plug Issues Traverse often faces persistent misfire codes even after coil replacement, sometimes linked to spark plug wear or wiring faults. Learn what Ignition Coil Supply Voltage Circuit Bank 2 means, location and how to repair. You can get the wiring diagram with the Haynes manual, for which 2 wires you need to meter out. Jul 22, 2018 · I am getting code P0700, P135B and P25**, I don't remember so I have to go check again. Nov 9, 2025 · The Diagnostic Trouble Code (DTC) will be set if the ECM detects less than 2. Code P135B Chevrolet Description The P135B diagnostic trouble code for Chevrolet vehicles specifically relates to the Ignition Coil Supply Voltage Circuit for Bank 2. Repair Information for P135B Chevrolet code. 2012 Traverse P135B Code Bank 2: Coil and Spark Plug Issues Traverse often faces persistent misfire codes even after coil replacement, sometimes linked to spark plug wear or wiring faults. 5 V on the ignition coil supply voltage circuit. This code indicates that there is a problem with the voltage supply to the ignition coil in the second bank of cylinders. Any advise or more info will be helpful. CHeck the bank 2 fuse first. does anyone had this code before and what was the problem and how did u fix Mechanic told me I need a time belt Dec 24, 2021 · P135B is the code I am currently getting on my 2017 Traverse. Repair Information for P135B code. How to Repair Check the “Possible Causes” listed above. Nov 19, 2025 · P124F & P135B Code from Ignition Coil harness/connector PLZ HELP. In a typical ignition system, the ignition coil is responsible for converting the low voltage from the battery into the high voltage needed to create a spark in the spark plugs. . coil harness pigtail control circuit short cylinder missfire p124f p135b Jump to Latest 1.


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