Conditions for Running the DTC
WARNING: This page is about a different car, the 2008 GMC Sierra and 2008 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
P0120, P0122, P0123, P0220, P0222, and P0223
- DTC P0601, P0602, P0603, P0604, P0606, P0607, P0641, P0651 are not set.
- The system voltage is more than 5.23 volts.
- The ignition is in the Unlock/Accessory or Run position.
- DTC P0120, P0122, P0123, P0220, P0222, P0223 run continuously when the above conditions are met.
P2135
- The system voltage is more than 5.23 volts.
- The ignition is in the Unlock/Accessory or Run position.
- DTC P0120, P0220, P0641, P0651 are not set.
- DTC P2135 runs continuously when the above conditions are met.