DTC U0101:00 Lost Communication With The PCM (A/T System)
WARNING: This page is about a different variant/trim than selected.
NOTE:
- If the F-CAN lines problem or PCM internal circuit malfunction, HDS does not communicate with the FCW/LDW camera unit. IfDTC U0101-00 is indicated HDS, the system is OK at this time.
- If incorrect the FCW/LDW camera unit part number, indicated DTC U0101-00.
- Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshootinginformation .
- Press the engine start/stop button to select the OFF mode.
- Check for poor connections or loose terminals at the PCM connector A (49P).
Is the PCM connector A (49P) connector OK?
YES - Go to 3
NO - Repair or reconnect the connector securely.
- Press the engine start/stop button to select the ON mode, and read the HDS.
Does the HDS communicate with the FCW/LDW camera unit?
YES - Intermittent failure, the system is OK at this time
NO - GO to DTC U0101-00: LOST COMMUNICATION WITH THE PCM (PGM-FI SYSTEM) .