B2662

DTC B2662






Circuit Description

The park lamps are controlled by the headlamp switch. Battery positive voltage is supplied to the switch through the PARK LP fuse. When the headlamp switch is placed in the park or head position, battery voltage is supplied to the park lamps. The body control module is also connected to the park lamp circuit to sense whether or not the park lamps turn on when the lowbeam or highbeam headlamps are turned on. If the BCM senses that the lowbeam or highbeam headlamps are on and the park lamp input is not active, DTC B2662 sets.

Conditions for Running the DTC

- The ignition switch is in the ON position.
- The lowbeam or highbeam headlamps are on.

Conditions for Setting the DTC

The park lamp input is inactive.

Action Taken When the DTC Sets

DTC B2662 is stored in the BCM memory.

Conditions for Clearing the DTC

- The conditions for setting the DTC are no longer present.
- A history DTC clears after 100 malfunction free ignition cycles.
- The BCM receives the clear code command from the scan tool.

Diagnostic Aids

- The low or highbeam headlamps must be on in order to set this DTC.
- An open PARK LP fuse will set this code.
- If the DTC is a history DTC, the problem may be intermittent. Refer to Testing for Intermittent Conditions and Poor Connections.