× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

P0122 Diagnostic Trouble Code Discussion for May 2013

TP Sensor 1 Circuit Low Voltage

Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0122
Help Request Posted
2005 Chevrolet Cavalier 2.2L MIL Lamp on VIN: 1G1JC12FS5
P0122: TP Sensor Circuit Low Voltage. Came in with ck. engine and traction lights on. Poor performance. Cleared light and test drove. All good until 39 MPH then starts running porly and light back on. Looked at scanner data and TPS reading was fluctuating all over the place. Great I thought, a bad...
May 07, 2013
1999 Dodge Ram 3500 8.0L Poor Idle Quality, Cuts out, MIL Lamp on VIN: 1B7MC33W6X
P0122: tps volts low. Hi all did a pinout check on pcm to 4 sensors the scanner shows no voltage to any of the 4. The sensors have 5 volt ref and ground at the wires - its like the pcm is not receiving signal back. I think i am checking this out right - the wire diagram shows a com...
May 16, 2013