Pinpoint Test Av: DTC U0121:00
- AV1 VERIFY THE CUSTOMER CONCERN
- Ignition ON.
- Verify that there is an observable symptom present.
- Is an observable symptom present?
- Yes : GO to AV2.
- 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.
- AV2 CHECK THE COMMUNICATION NETWORK
- Using a scan tool, perform a network test.
- Does the ABS module pass the network test?
- Yes : GO to AV3.
- No : REFER to MODULE COMMUNICATIONS NETWORK , The Anti-Lock Brake System (ABS) Module Does Not Respond To The Scan Tool.
- AV3 RETRIEVE THE RECORDED DTCs FROM THE BCM SELF-TEST
- Ignition ON.
- Using a scan tool, perform the BCM self-test.
- Are any DTCs recorded?
- Yes : REFER to MULTIFUNCTION ELECTRONIC MODULES .
- No : GO to AV4.
- AV4 RETRIEVE THE RECORDED DTCs FROM THE IPC SELF-TEST
- Using a scan tool, perform the IPC self-test.
- Are any DTCs recorded?
- Yes
: For DTC U0140:00, GO to PINPOINT TEST AX .
For DTC U3006:16, GO to PINPOINT TEST BI .
For DTC U3006:17, GO to PINPOINT TEST BJ .
- No : GO to AV5.
- AV5 RECHECK THE IPC DTCs NOTE: If new modules were installed prior to the DTC being set, the module configuration can be incorrectly set during the PMI or the PMI may not have been carried out.
- Using a scan tool, clear the DTCs.
- Wait 10 seconds.
- Repeat the IPC self-test.
- Is DTC U0121:00 still present?
- Yes : REFER to the BCM DTC Chart in MULTIFUNCTION ELECTRONIC MODULES .
- 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.