Diagnostic Test
WARNING: This page is about a different car, the 2011 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.
- VERIFY DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE NOTE:
Make sure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding.
- Turn the ignition on.
- With the scan tool, read active DTCs.
Is this DTC active?
Yes
- Perform the U0001-CAN C Bus diagnostic procedure. Refer to U0001-CAN C BUS .
No
- Perform the Stored Lost Communication DTC diagnostic procedure. Refer to STORED LOST COMMUNICATION DTCS .