Diagnostic Routine S

Diagnostic Routine S

Diagnostic Overview

U0140:00

Normal Operation and Fault Conditions

DTC Fault Trigger Conditions






Pinpoint Test

1. VERIFY THE CUSTOMER CONCERN

1. Ignition ON.

2. Verify there is an observable symptom present.

Is an observable symptom present?








2. CHECK THE COMMUNICATION NETWORK

1. Ignition ON.

2. Using a scan tool, perform a network test.

Does the BCM (Body Control Module) pass the network test?








3. RETRIEVE THE RECORDED DTCs (Diagnostic Trouble Codes) FROM THE C-CM (Cruise-Control Module) AND BCM (Body Control Module) SELF-TEST

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

Is DTC (Diagnostic Trouble Code) U3003:16 or DTC (Diagnostic Trouble Code) U3003:17 recorded?








4. RECHECK THE C-CM (Cruise-Control Module) DTCs (Diagnostic Trouble Codes)

1. NOTE: If new modules were installed prior to the DTC (Diagnostic Trouble Code) being set, the module configuration can be incorrectly set during the PMI (Programmable Module Installation) or the PMI (Programmable Module Installation) may not have been carried out.

Using a scan tool, clear the DTCs (Diagnostic Trouble Codes).

2. Repeat the C-CM (Cruise-Control Module) self-test.

Is DTC (Diagnostic Trouble Code) U0140:00 still present?








5. CHECK FOR DTC (Diagnostic Trouble Code) U0140:00 SET IN OTHER MODULES

1. Clear all DTCs (Diagnostic Trouble Codes).

2. Ignition OFF.

3. Wait 10 seconds.

4. Ignition ON.

5. Using a scan tool, perform self-test.

6. Retrieve the continuous memory DTCs (Diagnostic Trouble Codes) from all modules.

Is DTC (Diagnostic Trouble Code) U0140:00 set in other modules?