The Hill Start Assist Feature Is Inoperative, Cannot Be Disabled Or Enabled

Possible Source	Action
Network concern IPC concern PCM concern RCM concern ABS module concern	CARRY OUT the IPC self-test. DIAGNOSE all IPC DTCs. REFER to the Instrumentation, Message Center and Warning Chimes article. If there are no DTCs in the IPC, CARRY OUT the PCM KOEO self-test. DIAGNOSE all PCM module DTCs. REFER to the appropriate Electronic Engine Controls article. If there are no DTCs in the PCM, CARRY OUT the RCM self-test. DIAGNOSE all RCM DTCs. REFER to the Supplemental Restraint System article. If there are no DTCs in the RCM, CARRY OUT the ABS module self-test. DIAGNOSE all ABS module DTCs.

Possible Source

Action

CARRY OUT the IPC self-test. DIAGNOSE all IPC DTCs. REFER to the Instrumentation, Message Center and Warning Chimes article.
If there are no DTCs in the IPC, CARRY OUT the PCM KOEO self-test. DIAGNOSE all PCM module DTCs. REFER to the appropriate Electronic Engine Controls article.
If there are no DTCs in the PCM, CARRY OUT the RCM self-test. DIAGNOSE all RCM DTCs. REFER to the Supplemental Restraint System article.
If there are no DTCs in the RCM, CARRY OUT the ABS module self-test. DIAGNOSE all ABS module DTCs.