HVAC Control Module
DTC CHART
| DTC | Description | Action |
|---|---|---|
| 1-0 | Recirculation Button Performance | This DTC sets if the RECIRC button is held for more than 2 minutes. ATTEMPT to clean buttons. CLEAR the Diagnostic Trouble Codes (DTCs). REPEAT the self-test. If DTC returns, INSTALL a new HVAC control module. REFER to: CLIMATE CONTROL ASSEMBLY . |
| 1-1 | Diagnostics Mode Entered - No DTC Set | This DTC indicates that no HVAC faults are present at this time. |
| 1-2 | A/C Button Performance | This DTC sets if the A/C button is held for more than 2 minutes. ATTEMPT to clean buttons. CLEAR the Diagnostic Trouble Codes (DTCs). REPEAT the self-test. If code returns, INSTALL a new HVAC control module. REFER to: CLIMATE CONTROL ASSEMBLY . |
| 2-1 | Blend Feedback Circuit/Performance | GO to PINPOINT TEST L |
| 2-2 | Blend Motor Driver Circuit/Performance | GO to PINPOINT TEST L |
| 2-3 | Blend Actuator Calibration Performance | GO to PINPOINT TEST L |
| 3-1 | Mode Feedback Circuit/Performance | GO to PINPOINT TEST H |
| 3-2 | Mode Motor Driver Circuit/Performance | GO to PINPOINT TEST H |
| 3-3 | Mode Actuator Calibration Performance | GO to PINPOINT TEST H |
| 4-2 | Recirculation Motor Driver Circuit/Performance | GO to PINPOINT TEST G |
| 4-4 | Feedback Reference Circuit/Performance | GO to PINPOINT TEST W |
| 5-1 | Blower Relay Driver Circuit/Performance |
|
| 5-2 | A/C Select Drive Circuit/Performance |
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| 5-3 | Battery Voltage Low | GO to PINPOINT TEST X |
| 5-4 | Battery Voltage High | GO to PINPOINT TEST X |