Diagnostic Routine CN

Diagnostic Routine CN

Diagnostic Overview

The Grade Assist Indicator Is Never or Always On

Normal Operation and Fault Conditions

REFER to Grade Assist Indicator .

Pinpoint Test

1. VERIFY THE OPERATION OF THE GRADE ASSIST FUNCTION

1. Verify the grade assist function operates when engaged and turns off when disengaged.

Does the grade assist function operate correctly?







2. RETRIEVE THE RECORDED DTCs (Diagnostic Trouble Codes) FROM THE BCM (Body Control Module) SELF-TEST

1. Using a scan tool, perform the BCM (Body Control Module) self-test.

Are any DTCs (Diagnostic Trouble Codes) recorded?







3. RETRIEVE THE RECORDED DTCs (Diagnostic Trouble Codes) FROM THE IPC (Instrument Panel Cluster) SELF-TEST

1. Using a scan tool, perform the IPC (Instrument Panel Cluster) self-test.

Are any DTCs (Diagnostic Trouble Codes) recorded?







4. RETRIEVE THE RECORDED DTCs (Diagnostic Trouble Codes) FROM THE TCM (Transmission Control Module) MODULE SELF-TEST

1. Using a scan tool, perform the TCM (Transmission Control Module) module self-test.

Are any DTCs (Diagnostic Trouble Codes) recorded?







5. CHECK THE GRADE ASSIST INDICATOR USING THE DEALER TEST MODE

1. Ignition OFF.

2. Enter the Dealer Test Mode. REFER to Dealer Test Mode .

3. Scroll to LED test.

4. Monitor the grade assist indicator.

Does the grade assist indicator illuminate?