Pinpoint Test K : U0100:00
- K1 VERIFY THE SCAN TOOL CAN COMMUNICATE WITH THE PCM
- Connect the scan tool.
- Ignition ON.
- Check that a vehicle session can be established using the scan tool.
Can a vehicle session be established?
Yes GO to K2. No Refer to article 'Module Communications Network', Go to Pinpoint Test A . - K2 CHECK THE BCM CONTINUOUS MEMORY DTCs
- Using a scan tool, perform BCM self-test.
- Clear the DTCs. Repeat the BCM self-test.
Is DTC U0100:00 retrieved again?
Yes GO to K3. 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. - K3 RETRIEVE THE RECORDED DTCs FROM THE BCM SELF-TEST
- Check for recorded BCM DTCs from the self-test.
Is DTC U3003:16 or DTC U3003:17 recorded?
Yes For DTC U3003:16, GO to Pinpoint Test H . For DTC U3003:17, GO to Pinpoint Test I . No GO to K4. - K4 CHECK FOR DTC U0100:00 OR DTC U0100 SET IN OTHER MODULES
- Ignition ON.
- Using a scan tool, retrieve the continuous memory DTCs from all modules.
Is DTC U0100:00 or DTC U0100 set in any other module?
Yes INSTALL a new PCM. REFER to Electronic Engine Controls - With Intelligent Access (IA) or REFER to Electronic Engine Controls - Without Intelligent Access (IA). . CLEAR the DTCs. No 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) .