Diagnostic Test
WARNING: This page is about a different car, the 2012 RAM Pickup and 2012 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK FOR ACTIVE DTC NOTE:
If the odometer reading is greater than 80.5 km (50 mi), DTC B219F sets instead of B2142 when the IOD fuse cannot be detected.
- With the scan tool, record and erase DTC's.
- Cycle the ignition switch from off to on, leaving the ignition off for a minimum of 30 seconds.
- With the scan tool, read the active DTC's.
Does the scan tool display DTC: B2142-IGNITION OFF DRAW (IOD) FUSE NOT PRESENT?
Yes
- Go To 2.
No
- Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
- VERIFY THE IOD FUSE IS INSTALLED
- Verify the IOD Fuse is installed in the TIPM.
Is the IOD Fuse present?
Yes
- Go To 3.
No
- Install the IOD Fuse.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
- Verify the IOD Fuse is installed in the TIPM.
- CHECK FOR A OPEN IOD FUSE
- Check if the IOD Fuse is open.
Is the IOD Fuse blown?
Yes
- Using the wiring diagrams, diagnose the cause of the short to ground condition. Repair as necessary.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
No
- Test complete.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
- Check if the IOD Fuse is open.