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 P0036, P0054 or P0141
| Circuit | Short to Ground | High Resistance | Open | Short to Voltage | Signal Performance |
|---|---|---|---|---|---|
| HO2S Heater Voltage Supply | Opens fuse P0030, P0036, P0102, P0134, P0135, P0140, P0141, P0443 |
P0054 | P0036, P0054, P0141 | - | P0141 |
| HO2S Heater Low Control | P0030, P0036, P0135, P0140 | P0054 | P0036, P0054, P0141 | P0036, P0141 | P0141 |