Pinpoint Test H : DTC (Diagnostic Trouble Code) U0199:87
- H1 VERIFY THE CUSTOMER CONCERN
- Ignition ON.
- Verify there is an observable symptom present.
Is an observable symptom present?
Yes GO to H2 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. - H2 CHECK THE COMMUNICATION NETWORK
- Using a diagnostic scan tool, perform a network test.
Does the DDM pass the network test?
Yes GO to H3 No REFER to: Communications Network . - H3 CHECK THE BCM (BODY CONTROL MODULE) CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)
- Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs).
- Wait 10 seconds.
- Using a diagnostic scan tool, check the BCM Continuous Memory Diagnostic Trouble Codes (CMDTCs).
Are any control module input power Diagnostic Trouble Codes (DTCs) recorded?
Yes For DTC U3006:16, U3007:16, U3013:16 and/or U3014:16, GO to Pinpoint Test P For DTC U3006:17, U3007:17, U3013:17 and/or U3014:17, GO to Pinpoint Test Q For DTC U3006:1C, GO to Pinpoint Test R No GO to H4 - H4 RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE DDM (DRIVER DOOR MODULE) SELF-TEST
- Using a diagnostic scan tool, perform the DDM self-test.
Is there any DTC recorded?
Yes REFER to: Locks, Latches and Entry Systems . No GO to H5 - H5 RECHECK THE BCM (BODY CONTROL MODULE) CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)NOTE: If new modules were installed prior to the DTC being set, the module configuration may be incorrectly set during the PMI or the PMI may not have been carried out.
- Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs).
- Wait 10 seconds.
- Using a diagnostic scan tool, check the BCM Continuous Memory Diagnostic Trouble Codes (CMDTCs).
Is DTC U0199:87 still present?
Yes GO to H6 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. - H6 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)
- Using a diagnostic scan tool, check the GWM Continuous Memory Diagnostic Trouble Codes (CMDTCs).
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes REFER to: Communications Network . No GO to H7 - H7 CHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0199:87 SET IN OTHER MODULES
- Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs).
- Ignition OFF.
- Ignition ON.
- Wait 10 seconds.
- Using a diagnostic scan tool, retrieve all Continuous Memory Diagnostic Trouble Codes (CMDTCs).
Is DTC U0199:00 or DTC U0199:87 set in any other module?
Yes INSTALL a new DDM. Refer to: Driver Door Module (DDM) . No BCM HARDWARE TESTING