Diagnostic Test

WARNING: This page is about a different car, the 2008 Dodge Magnum, 2008 Dodge Charger, and 2008 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.

VERIFY DTC IS ACTIVE
NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding.

With the scan tool, read active DTCs.

Is this DTC active?

Yes
1. Go To 2.
No
1. Refer to the *STORED LOST COMMUNICATION DTCS diagnostic procedure.
CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS
With the scan tool, read active DTCs from all modules.

NOTE: Check for TIPM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs.

Does the scan tool display any active DTCs to the conditions listed above?

Yes
1. Diagnose and repair the DTC. Refer to appropriate ELECTRICAL DIAGNOSTICS article.
2. Perform BODY VERIFICATION TEST - VER 1 .
No
1. Go To 3.
VERIFY THAT THE LRSM IS ACTIVE ON THE BUS
Turn the ignition on.

With the scan tool, select ECU View.

Verify that the LRSM is active on the bus.

Is the LRSM active on the bus?

Yes
1. Go To 4.
No
1. Perform the *NO RESPONSE FROM LRSM (RAIN SENSOR) diagnostic procedure.
CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS
With the scan tool, select Network View and select Advanced.

Is there more than one module with active DTCs "Logged Against" the LRSM?

Yes
1. Replace/update the Rain Sensor in accordance with the service information.
2. Perform BODY VERIFICATION TEST - VER 1 .
No
1. Replace/update the module that set this DTC in accordance with the service information.
2. Perform BODY VERIFICATION TEST - VER 1 .