Pinpoint Test Ar : U0100:00
- AR1 VERIFY THE SCAN TOOL CAN COMMUNICATE WITH THE PCM
- Connect the scan tool.
- Check that a vehicle session can be established using the scan tool.
Can a vehicle session be established?
Yes GO to AR2. No REFER to Module Communications Network . - AR2 CHECK THE IPC CONTINUOUS MEMORY DTCs
- Ignition ON.
- Using a scan tool, perform the IPC self-test.
- Clear the DTCs.
- Wait 10 seconds.
- Repeat the IPC self-test.
Is DTC U0100:00 retrieved again?
Yes GO to AR3. 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. - AR3 RETRIEVE THE RECORDED DTCs FROM THE PCM KOEO SELF-TEST
- Using a scan tool, perform the PCM KOEO self-test.
Is DTC P0562 or P0563 recorded?
Yes REFER to Electronic Engine Controls . No GO to AR4. - AR4 RETRIEVE THE RECORDED DTCs FROM THE IPC SELF-TEST
- Using a scan tool, perform the IPC self-test.
Are any DTCs recorded?
Yes REFER to DTC Chart: IPC . No GO to AR5. - AR5 CHECK FOR DTC U0100:00 SET IN OTHER MODULES
- Ignition ON.
- Using a scan tool, retrieve all continuous memory DTCs.
Is DTC U0100:00 set in the ABS module or in the RCM ?
Yes INSTALL a new PCM. REFER to Electronic Engine Controls . No Refer to IPC Hardware Testing .