Pinpoint Test Y : U3003:16: Notes
Refer to Auxiliary Climate Control for schematic and connector information.
Normal Operation and Fault Conditions
The RHVAC control module requires voltage between 9 and 15 volts to operate normally. If the voltage is below 8 volts a DTC sets.
RHVAC Control Module DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U3003:16 | Battery Voltage: Circuit Voltage Below Threshold | Sets in the RHVAC control module if it detects battery voltage below 8 volts on the voltage supply circuit for 2.5 seconds or longer. |
Possible Sources
- Wiring, terminals or connectors
- High circuit resistance
- Charging system concern
- RHVAC control module