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DTC U0100 (86)

BME040243000217

DTC | U0100 (86) | CAN communication system
DETECTION CONDITION | • Engine control system information through CAN is out of specification or invalid value. • Received control prohibition signal from PCM through CAN.
POSSIBLE CAUSE | • Malfunction of PCM

Diagnostic procedure

STEP | INSPECTION | ACTION
--- | --- | ---
1 | CHECK FOR PCM FOR DTCs • Turn ignition key to OFF. • Connect WDS or equivalent to DLC-2 • Turn ignition key to ON (engine off). • Is DTC for engine control system obtained? | Yes | Follow inspection procedures for engine control system.
No | Go to next step.
2 | VERIFY TROUBLESHOOTING COMPLETED • Make sure to reconnect all disconnected connectors. • Clear DTC from memory. (See Clearing DTCs Procedure) • Start engine.
• Is same DTC present?
Yes
Replace ABS/TCS HU/CM, then go to next step.
No | Go to next step.
3 | VERIFY AFTER REPAIR PROCEDURE • Is there any other DTC present? | Yes | Go to applicable DTC inspection.
No | Troubleshooting completed.