Diagnostic Test
- CHECK FOR AN ACTIVE DTC NOTE:
Diagnose all communication DTCs before continuing.
- Turn the ignition on.
- With a scan tool, read EHPS Module DTCs.
Is the DTC active?
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.
- SAS COMMUNICATION RELATED DTCs IN OTHER MODULES
- With a scan tool check for SAS communication related DTCs in other modules on the CAN C Bus.
Are there any SAS communication related DTCs in other modules on the CAN C Bus at this time?
Yes
- Replace the SAS in accordance with the service information. Refer to MODULE, STEERING COLUMN CONTROL (SCCM), REMOVAL AND INSTALLATION .
- Perform the EHPS VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Replace the Electro-Hydraulic Power Steering (EHPS) Assembly in accordance with service information. Refer to MODULE, ELECTRO-HYDRAULIC POWER STEERING (EHPS), REMOVAL AND INSTALLATION .
- Perform the EHPS VERIFICATION TEST. Refer to STANDARD PROCEDURE .
- With a scan tool check for SAS communication related DTCs in other modules on the CAN C Bus.