Pinpoint Test J : The A/C (Air Conditioning) Is Always On - A/C (Air Conditioning) Mode Always Commanded On: Notes
Refer to Manual Climate Control System for schematic and connector information.
Normal Operation and Fault Conditions
A/C Request. Refer to: Climate Control System - Vehicles With: Electronic Manual Temperature Control (EMTC) - System Operation and Component Description .
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| B101E:23 | Air Conditioning Mode Switch Signal Stuck Low | This DTC sets in continuous memory when the BCM senses low signal on the A/C ON circuit. |
| P1464 | A/C Demand Out Of Self Test Range | This DTC sets when the PCM senses an A/C request during a PCM self-test. |
Possible Sources
- Wiring, terminals or connectors
- PCM
- HVAC control module
Visual Inspection and Diagnostic Pre-checks
- Inspect for loose or corroded PCM or HVAC control module connections.