Engine Gauge RX Failure (Active)

Tests 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 any one of the following messages from the PCM for more than 5 seconds: Battery Voltage, Battery Temperature, 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