B2570
DTC B2570
CIRCUIT DESCRIPTION
The body control module (BCM) controls the rear compartment courtesy lamp. The BCM supplies voltage to control the lighting functions. The BCM monitors the rear compartment lamp control circuit for proper operation.
DTC DESCRIPTOR
This diagnostic procedure supports the following DTC:
DTC B2570 Trunk Lamp Output
CONDITIONS FOR SETTING THE DTC
- B2570 02 will set if there is a short to ground in the rear compartment lamp control circuit.
- B2570 05 will set if there is an open or short to voltage in the rear compartment lamp control circuit.
ACTION TAKEN WHEN THE DTC SETS
- The rear compartment lamp control circuit output will be disabled.
- Stores a DTC B2570 in the BCM memory
CONDITIONS FOR CLEARING THE DTC
- This DTC requires an ignition cycle in order to change from current to history.
- The BCM no longer detects continuous battery voltage on the rear compartment lamp control circuit.
- A history DTC will clear after 50 consecutive ignition cycles if the condition for the malfunction is no longer present.
TEST
