Pinpoint Test Am: DTC U0101

AM1 VERIFY CUSTOMER CONCERN
- Ignition ON.
- Verify that there is an observable symptom present.
- Is an observable symptom present?
  - Yes : GO to AM2.
  - 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.
AM2 CHECK THE COMMUNICATION NETWORK
- Enter the following diagnostic mode on the scan tool: Network Test.
- Carry out the network test.
- Does the PCM pass the network test?
  - Yes : GO to AM3.
  - No : REFER to MODULE COMMUNICATIONS NETWORK article.
AM3 RETRIEVE THE RECORDED DTCs FROM THE SELF-TEST
- Check for recorded IC DTCs from the self-test.
- Is DTC B1317 or DTC B1318 recorded?
  - Yes : For DTC B1317, GO to PINPOINT TEST AK .
    For DTC B1318, GO to PINPOINT TEST AL .
  - No : GO to AM4.
AM4 CHECK FOR DTC U0101 SET IN OTHER MODULES
- Enter the following diagnostic mode on the scan tool: Self-Test.
- Retrieve the continuous memory DTCs from all modules.
- Is DTC U0101 set in the ABS or RCM module(s)?
  - Yes : INSTALL a new PCM. REFER to ENGINE CONTROLS - ELECTRONIC ENGINE CONTROLS article. TEST the system for normal operation.
  - No : INSTALL a new IC. REFER to INSTRUMENT CLUSTER (IC) .. TEST the system for normal operation.