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P0122 Diagnostic Trouble Code Discussion for June 2005

TP Sensor 1 Circuit Low Voltage

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Trouble Ticket Help Requests for DTC P0122
Help Request Posted
1996 GMC C1500 Sierra SL 5.0L MIL Lamp on VIN: 2GTEC19M9T
P0122: TP Sensor Circuit Low Voltage. This customer has been coming back every couple of weeks with the same complaint of the check engine light on. Always the same two codes even after replacing the egr and tps with delco units. I have inspected the pcm for water damage, continuity tested the wir...
June 23, 2005
2001 Chevrolet S10 2.2L Hesitation, Stall, MIL Lamp on, HIGH IDLE VIN: 1GCC14581K
P0122: TP Sensor Circuit Low Voltage. codes p0108 and p0122 found in freeze frame. engine always idles high and erratic (worse with ac on). engine sometimes bogs and dies when leaving from stop, will always restart but idle shoots up to about 3800 rpm then slowly returns to the slightly high idle ...
June 24, 2005