DTC Troubleshooting: P1AF2 (3.5L Engine) (2025): Notes
DTC P1AF2 : IG1 Voltage Out of Range
How to use this service information .
NOTICE:
Before you troubleshoot, review the How to Troubleshoot - Refer to: How to Troubleshoot the Fuel and Emissions Systems (3.5L Engine) or How to Troubleshoot the Fuel and Emissions Systems (3.0L Engine) .
NOTE:
- If a high voltage battery (24 V, etc.) is connected to the vehicle, this DTC can be stored.
- Check the corrosion and looseness at the 12 volt battery terminals, and the ground cable and terminals in the engine compartment.