Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information ECM-P053400

Condition
The A/C system must have a certain basic pressure for optimal function. If engine control module (ECM) detects a pressure that is too low in the A/C system, the control module interprets this as a malfunction and the diagnostic trouble code is generated.
The diagnostic trouble code can be diagnosed with the engine running and the A/C control active.

Substitute value
- Nothing.

Possible source
- Leak in the A/C system.

Fault symptom[s]
- A/C system does not work.