P1523 Diagnostic Trouble Code Discussion for March 2011
ETC System Malfunction - Throttle Valve Stuck
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| Help Request | Posted | |
| 2002 GMC Envoy SLT 4.2L MIL Lamp on, Reduced Power Light VIN: 1GKDT13S52 P1523: TAC Module Return Performance. I have replaced the APP connector and The Throttle Body connector. I have also load tested the wiring from the APP to the PCM and the Throttle Body to the PCM, the all carry a load using a headlight bulb and the voltage drop was .02V. I am leaning toward the P... |
March 25, 2011 |
