Join Now
International Automotive Technicians Network

P2135 Diagnostic Trouble Code Discussion for March 2015

Throttle Position Sensor 1-2 Correlation


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P2135
Help Request Posted
2003 Cadillac CTS 3.2L Surge, MIL Lamp on, Extremely High Idle VIN: 1G6DM57N13
P2135: Throttle Position Sensor 1-2 Correlation Error. Vehicle was brought in with an extremely high idle that was surging at times (2000-3000 RPM) when in park. Cleared the codes from both the engine and trans modules. After about ten maybe 15 minutes the idle settled down to a normal level and was no longer surg...
March 19, 2015