Pinpoint Test
- VERIFY THE CUSTOMER CONCERN
- Ignition ON.
- Verify that 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 the network test.
Does the BCM pass the network test?
- Yes: GO to 3 .
- No: REFER to Diagnostic Routine I : The Body Control Module (BCM) Does Not Respond To The Scan Tool.
- RECHECK THE TPM MODULE DTCs
.
- Using a scan tool, clear the TPM module DTCs .
- Ignition OFF.
- Ignition ON.
- Wait at least 10 seconds.
- Repeat the TPM module self-test.
Is DTC U0140:87 present?
- Yes: GO to 4 .
- 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.
- CHECK FOR DTC U0140:00 SET IN OTHER MODULES.
- Clear continuous DTCs from all modules.
- Ignition OFF.
- Ignition ON.
- Wait 10 seconds.
- Retrieve the continuous memory DTCs from all modules.
Is DTC U0140:00 set in the ABS module or the APIM?
- Yes: INSTALL a new BCM. REFER to BODY CONTROL MODULE (BCM) - WITH INTELLIGENT ACCESS (IA) , or REFER to BODY CONTROL MODULE (BCM) - WITHOUT INTELLIGENT ACCESS (IA)
- No: INSTALL a new TPM module. REFER to Tire Pressure Monitor (TPM) Module .