Diagnostic Fault Information
WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
Always perform the Diagnostic System Check - Vehicle
prior to using this diagnostic procedure.
DTC P0120, P0122, P0123, P0220, P0222, P0223 or P2135
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| TP Sensor 1 Signal | P0122 | P0122, P2135 | P0123 | P0068, P0121 |
| 5-Volt Reference | P0651 | P0122, P0222 | P0123, P0651 | - |
| Low Reference | - | P0123, P0223 | - | - |
| TP Sensor 2 Signal | P0222 | P0223, P2135 | P0223 | P0068, P0121 |