Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information ECM-6000

Condition




The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects that the signal from the air conditioning (A/C) relay is too high, too low or missing.
The diagnostic trouble code (DTC) is diagnosed at ignition on and when starting the engine.

Substitute value
- None.

Possible source

Signal too high
- Short-circuit to supply voltage in the signal cable
- Damaged A/C relay.

Signal too low
- Short-circuit to ground in the signal cable.

Signal missing
- Open-circuit in the signal cable
- Open-circuit in air conditioning (A/C) relay supply
- Damaged A/C relay
- Contact resistance in the terminals.

Fault symptom[s]
- The air conditioning (A/C) system does not operate.