Diagnostic Test
- CHECK FOR AN ACTIVE DTC
- Turn the ignition on.
- With the scan tool, create a Vehicle Scan Report and attach it to the repair order.
- With the scan tool, read RF Hub DTCs
Is the DTC active?
Yes
- Go To 2
No
- 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 and repair as necessary. If no problems are found, test complete.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
- CHECK THE VEHICLE VIN
- Turn the ignition on.
- With the scan tool, select: RF Hub, "REPORTS", "ECU Details Report".
- Scroll down to "RF Hub", read the "VIN Original" and compare it to the actual vehicle VIN.
Does the RF Hub "Vin Original" match the vehicle VIN?
Yes
- Replace the Radio Frequency Hub Module in accordance with the Service Information. Refer to MODULE, RADIO FREQUENCY (RF HUB), REMOVAL .
- Perform the RADIO FREQUENCY HUB VERIFICATION TEST. Refer to RADIO FREQUENCY HUB (RF HUB) VERIFICATION TEST .
No
- Go To 3
- RESET THE RF HUB
- With the scan tool, select "Misc Functions".
- With the scan tool, perform the "Reset ECU" routine.
- Turn the ignition off.
- Try to start the engine three times.
Did the engine start?
Yes
- 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 and repair as necessary. If no problems are found, test complete.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
No
- Replace the Radio Frequency Hub Module in accordance with the Service Information. Refer to MODULE, RADIO FREQUENCY (RF HUB), REMOVAL .
- Perform the RADIO FREQUENCY HUB VERIFICATION TEST. Refer to RADIO FREQUENCY HUB (RF HUB) VERIFICATION TEST .