Engine Gauge RX Failure (Active)

Test 1 - 3:

SYMPTOM
ENGINE GAUGE RX FAILURE (ACTIVE)

WHEN MONITORED
With the ignition on.

SET CONDITION
This DTC will set if the A/C - Heater Control Module does not receive the message from the PCM for more than 5 seconds. This message provides Battery Voltage, Battery Temperature, and Engine Coolant Temperature.

POSSIBLE CAUSES
- Check for additional HVAC DTCs
- Check for PCM DTCs
- A/C - heater control module
- PCM - no message to A/C - heater control module