Pinpoint Test Ad : DTC U0155:00
- AD1 VERIFY THE CUSTOMER CONCERN
- Ignition ON.
- Verify there is an observable symptom present.
Is an observable symptom present?
Yes GO to AD2. 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. - AD2 CHECK FOR LOST COMMUNICATION DTCs
- Ignition ON.
- Using a diagnostic scan tool, clear all CMDTCs.
- Ignition OFF.
- Ignition ON.
- Wait at least 10 seconds.
- Using a diagnostic scan tool, retrieve all CMDTCs.
Is DTC U0155:00 set in any audio system module?
Yes GO to AD3. 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. - AD3 CHECK THE IPC FOR BATTERY VOLTAGE OUT-OF-RANGE DTCs
- Using a diagnostic scan tool, perform the IPC self-test.
Are any low or high voltage DTCs recorded in the IPC ?
Yes For DTC U3003:16, Refer to article 'Instrumentation, Message Center, and Warning Chimes', Go to Pinpoint Test BD . For DTC U3003:17, Refer to article 'Instrumentation, Message Center, and Warning Chimes', Go to Pinpoint Test BE . No GO to AD4. - AD4 CHECK THE AUDIO SYSTEM MODULES FOR BATTERY VOLTAGE OUT-OF-RANGE DTCs
- Using a diagnostic scan tool, perform the self-test for the following modules:
- ACM
- APIM
- FCIM
- GPSM
- Audio DSP module
Are any low or high voltage DTCs recorded in any module?
Yes For DTC U3003:16, GO to Pinpoint Test AJ . For DTC U3003:17, GO to Pinpoint Test AK . No GO to AD5. - Using a diagnostic scan tool, perform the self-test for the following modules:
- AD5 CHECK FOR DTC U0155:00 SET IN MULTIPLE MODULES
- Review the recorded results from the self-test.
Is DTC U0155:00 set in more than one module?
Yes GO to AD6. No Refer to DTC chart . - AD6 CHECK FOR CORRECT IPC OPERATION
- Ignition OFF.
- Disconnect and inspect the IPC connector.
- Repair:
- Corrosion (clean module pins or install new connectors or terminals)
- Damaged or bent pins (install new terminals or pins)
- Pushed-out pins (install new pins as necessary)
- Reconnect the IPC connector. Make sure it seats and latches correctly.
- Operate the system and determine if the concern is still present.
Is the concern still present?
Yes CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, Refer to IPC Hardware Testing . No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.