Rear Heater Coolant Pump Open (Active)

Tests 1 - 2:

Tests 3 - 4:

SYMPTOM
REAR HEATER COOLANT PUMP OPEN (ACTIVE)

WHEN MONITORED
When Rear Heater Coolant Pump operation is requested.

SET CONDITION
This DTC will set if the Rear Heater Coolant Pump Driver circuit is open or shorted high.

POSSIBLE CAUSES
- Rear heater coolant pump driver circuit shorted high
- Ground circuit open
- Rear heater coolant pump
- Rear heater coolant pump driver circuit open
- A/C-Heater control module