Pinpoint Test
- VERIFY THE CUSTOMER CONCERN
- Ignition ON.
- Verify there is an observable symptom present.
Is an observable symptom present?
- Yes: GO to 2 .
- No: The system is operating normally at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.
- CHECK THE COMMUNICATION NETWORK
- Ignition ON.
- Using a scan tool, perform a network test.
Does the C-CM pass the network test?
- Yes: GO to 3 .
- No: REFER to DIAGNOSTIC ROUTINE U : The Cruise-Control Module (C-CM) Does Not Respond To The Scan Tool.
- CHECK THE C-CM
FOR BATTERY VOLTAGE OUT-OF-RANGE DTCs
- Using a scan tool, perform the C-CM self-test.
Is DTC U3003:16 or DTC U3003:17 recorded?
- Yes: REFER to Diagnostic Routine Q: U3003:16 , or REFER to Diagnostic Routine R: U3003:17 .
- No: GO to 4 .
- RECHECK THE PCM DTCs
- Using a scan tool, clear all DTCs .
- Ignition OFF.
- Wait 10 seconds.
- Ignition ON.
- Repeat the PCM self-test.
Is DTC U0104 still present?
- Yes: GO to 5 .
- No: The system is operating normally at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.
- CHECK FOR DTC U0104 OR DTC U0104:00 SET IN OTHER MODULES
- Clear all DTCs .
- Ignition OFF.
- Wait 10 seconds.
- Ignition ON.
- Using a scan tool, retrieve the continuous memory DTCs from all modules.
Is DTC U0104 or U0104:00 set in other modules?
- Yes: INSTALL a new C-CM . REFER to Cruise Control Module (C-CM) .
- No: INSTALL a new PCM. REFER to POWERTRAIN CONTROL MODULE (PCM) - 2.0L GTDI , or POWERTRAIN CONTROL MODULE (PCM) - 3.5L TI-VCT .