B2987
DTC Troubleshooting: B2987 or RrVENT motor lock is indicated
DTC B2987 or RrVENT motor lock is indicated: A Problem in the Rear Vent Control Linkage, Door, or Motor
1. Clear the DTC with the HDS.
2. Turn the ignition switch to LOCK (0), and then back 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 B2987 or RrVENT motor lock indicated?
YES - Go to step 5.
NO - Intermittent failure. Check for loose wires or poor connections on the rear vent control motor circuit.
5. Turn the ignition switch to LOCK (0).
6. Test the rear vent control motor. Rear Vent Control Motor Test
Is the rear vent 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. Service and Repair
NO - Replace the rear vent control motor, Rear Vent Control Motor Replacement or repair the rear vent control linkage or door.