P0120 Diagnostic Trouble Code Discussion for September 2013
Throttle Position Sensor Circuit Malfunction
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| Help Request | Posted | |
| 2006 Hummer H2 6.0L MIL Lamp on VIN: 5GRGN22U86 P0120: TP Sensor 1 Signal Performance. ... light diagnostic. Found dtc p0120 (T.P. sensor circuit). Also found that the harness to the throttle body has been replaced and looks good. Scoped both tps circuits. Tps 1 signal and reference voltages are good. Then I found that tps 2 reverence voltage ha... |
September 12, 2013 |
