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P0122 Diagnostic Trouble Code Discussion for May 2011

TP Sensor 1 Circuit Low Voltage

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Trouble Ticket Help Requests for DTC P0122
Help Request Posted
2000 Pontiac Grand Am SE 3.4L Stall VIN: IG2NF1ZE9M
P0122: TP Sensor Circuit Low Voltage. Vehicle never shows any signs of a problem when we have it. There dosen't seem to be a pattern to the failure that I can determine. All basic engine system checks good.
May 10, 2011
1996 Chevrolet Camaro 3.8L Poor Idle Quality, MIL Lamp on, High idle VIN: 2G1FP22K6T
P0122: TP Sensor Circuit Low Voltage. This is a customers car that came in running very poorly and and sounded like it was skipping. Hooked scanner up on it and found that there were no misfires but had 2 codes for TPS sensor. Went into the data on the scan tool and the computer is reading that th...
May 17, 2011
2007 Chevrolet Silverado 1500 Classic WT 4.3L MIL Lamp on VIN: 1GCEC14X77
P0122: TP Sensor 1 Circuit Low Voltage. Cold idle is 1,500 rpm's for about a minute or so and controls respond when shifting to "D" or "R" to maintain idle but after a minute or two of warm-up the rpm's elevate to a fixed 3,000 rpm's until shut down. When engine is shut down a large ...
May 23, 2011