Diagnostic Test

CHECK FOR AN ACTIVE DTC

NOTE:

This DTC must be active for the results of this test to be valid.

Perform any Service Bulletins that may apply.
Turn the ignition on.
For future reference, with the scan tool, run and save a vehicle Scan Report and all related recorded data.
With the scan tool, read DTCs and record on the repair order.
With the scan tool, erase all DTCs.
Start the engine and run for two minutes.
Turn the steering wheel from stop to stop.
With the scan tool, read the EPS DTCs.
Did the DTC return?

Yes
- Perform the U1701-87-Lost Communication with PCM diagnostic procedure. Refer to BODY CONTROL MODULE (BCM) - DIAGNOSTIC CODE INDEX.
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 EPS VERIFICATION TEST. Refer to EPS VERIFICATION TEST.