R/F Motor Lock Is Indicated

DTC Troubleshooting: B2983 or R/F motor lock is indicated

DTC B2983 or R/F motor lock is indicated: A Problem in the Recirculation Control Linkage, Door, or Motor

1. Clear the DTC with the HDS.

2. Turn the ignition switch to LOCK (0), and then to ON (II).

3. Do the self-diagnostic with the HDS Initial Inspection and Diagnostic Overview or the climate control unit. Initial Inspection and Diagnostic Overview

4. Check for DTCs.

Is DTC B2983 or R/F motor lock indicated?
YES - Go to step 5.

NO - Intermittent failure, check for loose wires or poor connections on the recirculation control motor circuit.


5. Turn the ignition switch to LOCK (0).

6. Test the recirculation control motor. Recirculation Control Motor Test

Is the recirculation control motor OK?
YES - Substitute a known-good climate control unit, and recheck. If the symptom/indication goes away, replace the original climate control unit.

NO - Replace the recirculation control motor, Recirculation Control Motor Replacement or repair the recirculation control linkage or door.