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 P0340, P0341 or P0342
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| 5-Volt Reference Circuit | P0641, P0452, P0107, P0532, P0522 | P0340 | P0641 | - |
| CMP Sensor Signal Circuit | P0340 | P0340 | P0340 | P0341 |
| Low Reference Circuit | - | P0340 | P0340 | - |