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P2135 Diagnostic Trouble Code Discussion for June 2010

Throttle Position Sensor 1-2 Correlation


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Trouble Ticket Help Requests for DTC P2135
Help Request Posted
2003 GMC W4500 Forward W4S042 6.0L MIL Lamp on VIN: 4KDB4B1U83
P2135: TP sensor 1 signal and TP sensor 2 signals disagree. Vehicle came in with P0120 and P2135. Previously worked on by another shop and throttle body assm. replaced. I only found codes in system never could duplicate fault or see anything on scanner, voltmeter or scope. Warrantied T/B assm. through local dealer and ...
June 28, 2010