B1099

B1099-RECIRCULATION DOOR ACTUATOR PERFORMANCE (ATC)

WHEN MONITORED
When driving the Recirculation Door Actuator.

SET CONDITION
If the A/C Heater Control detects an excessive loss or gain of commutator pulses.

POSSIBLE CAUSES
- Recirculation door actuator

NOTE: This DTC must be active for the results of this test to be valid. Do not perform this test if this DTC is stored. Refer to HVAC System Test (ATC) for stored DTC test procedures. HVAC System Test (ATC)

DIAGNOSTIC TEST

1. REPLACE THE RECIRCULATION DOOR ACTUATOR

Repair
Replace the Recirculation Door Actuator. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test