B1507
DTC B1507
CIRCUIT DESCRIPTION
The body control module (BCM) monitors the load control circuit for opens, shorts to ground, and shorts to voltage.
The circuit starts at the BCM and travels to the instrument panel (I/P) fuse panel where the circuit splits to supply power for the heated seat switch and HVAC control head for the rear defog relay driver.
CONDITIONS FOR RUNNING THE DTC
- This DTC shall run only if the Voltage to the BCM is between 9.0-16.0 volts.
- The ignition must be in the ON position.
- This DTC shall not set during BCM programing and configuration changes.
- This DTC shall not set if any communication codes are set.
DTC DESCRIPTORS
This diagnostic procedure supports the following DTCs:
- DTC B1507 High Power Control Circuit Low
- DTC B1508 High Power Control Circuit High
ACTION TAKEN WHEN THE DTC SETS
The BCM sets a DTC and disables the following DTCs:
- DTC U1096
- DTC U1255
- DTC U1300
- DTC U1301
The BCM illuminates the SVS indicator.
CONDITIONS FOR CLEARING THE DTC
- A current DTC clears when the malfunction is no longer present.
- A history DTC clears when the module ignition cycle counter reaches the reset threshold, without a repeat of the malfunction.
TEST
