Diagnostic Test
- ACTIVE DTC NOTE:
Diagnose all communication DTCs before continuing.
- Ignition on, engine not running.
- With a scan tool, view DTCs.
Is the status Active for this DTC?
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 Bus.
Are there any SAS communication related DTCs in other modules on the CAN Bus at this time?
Yes
- Replace the SAS in accordance with the service information. Refer to MODULE, STEERING COLUMN, REMOVAL .
- Perform the EHPS VERIFICATION TEST. Refer to STANDARD PROCEDURE - EHPS VERIFICATION TEST .
No
- Replace the Electro-Hydraulic Power Steering (EHPS) Assembly in accordance with Service Information. Refer to PUMP, REMOVAL .
- Perform the EHPS VERIFICATION TEST. Refer to STANDARD PROCEDURE - EHPS VERIFICATION TEST .
- With a scan tool check for SAS communication related DTCs in other modules on the CAN Bus.