Pinpoint Test E : U0137:87
- E1 VERIFY THE CUSTOMER CONCERN
- Ignition ON.
- Verify there is an observable symptom present.
Is an observable symptom present?
Yes GO to E2 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. - E2 CHECK THE COMMUNICATION NETWORK
- Using a diagnostic scan tool, perform the network test.
Does the TRM pass the network test?
Yes GO to E3 No REFER to: Communications Network - E3 CHECK THE TRM (TRAILER MODULE) CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)
- Using a diagnostic scan tool, clear all Diagnostic Trouble Codes (DTCs).
- Ignition OFF.
- Ignition ON.
- Operate the parking aid camera system and test for normal operation.
- Check the TRM Continuous Memory Diagnostic Trouble Codes (CMDTCs).
Are any Continuous Memory Diagnostic Trouble Codes (CMDTCs) present?
Yes REFER to: Trailer Lamps No GO to E4 - E4 RECHECK THE IPMB (IMAGE PROCESSING MODULE B) CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)
- Check the IPMB Continuous Memory Diagnostic Trouble Codes (CMDTCs).
Is DTC U0137:87 still present?
Yes GO to E5 No The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition. - E5 CHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0137:00 OR DTC (DIAGNOSTIC TROUBLE CODE) U0137:87 IN OTHER MODULES
- Using a diagnostic scan tool, clear all Diagnostic Trouble Codes (DTCs).
- Ignition OFF.
- Ignition ON.
- Wait 10 seconds.
- Using a diagnostic scan tool, retrieve the Continuous Memory Diagnostic Trouble Codes (CMDTCs) from all modules.
Is DTC U0137:00 or DTC U0137:87 set in any other module?
Yes GO to E6 No GO to E7 - E6 CHECK FOR CORRECT TRM (TRAILER MODULE) OPERATION
- Ignition OFF.
- Disconnect and inspect the TRM connectors.
- Repair:
- corrosion (install new connector or terminals - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary
- Reconnect the TRM connectors. Make sure they seat and latch correctly.
- Operate the system and determine if the concern is still present.
Is the concern still present?
Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new TRM. REFER to: TRAILER MODULE (TRM) - SHORT WHEELBASE No The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues. - E7 CHECK FOR CORRECT IPMB (IMAGE PROCESSING MODULE B) OPERATION
- Ignition OFF.
- Disconnect and inspect the IPMB connector.
- Repair:
- corrosion (install new connector or terminals - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary
- Reconnect the IPMB 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 Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new IPMB. REFER to: Image Processing Module B (IPMB) - Short Wheelbase REFER to: Image Processing Module B (IPMB) - Long Wheelbase No The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.