P0122 Diagnostic Trouble Code Discussion for January 2013
TP Sensor 1 Circuit Low Voltage
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| Help Request | Posted | |
| 2002 GMC Sierra 2500 SL 6.0L Hesitation, Misfire, MIL Lamp on VIN: 1GTGK29U22 P0122: TP Sensor Circuit Low Voltage. when it acts up ,running rough ,misfiring, there is about 9 volts @ the 5volt reference wire from pcm to tps.Note (this is a throttle cable truck not fly by wire).When tps is disconnected it straigtens out and doesnt act up.I've traced the wire back to pcm,and... |
January 18, 2013 |
