No RPM Detected During Start Attempt

Starter motor turns but ECU does not detect engine rotation signal.

Possible causes

Crankshaft (RPM) sensor disconnected or failed
Damaged flywheel ring gear teeth
Interrupted signal wiring

Recommended actions

Check for RPM signal during cranking
Inspect crankshaft sensor and connector
Check control system fuses

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Other Thermo King codes

00No Alarms Exist 02Check Evaporator Coil Sensor (Zone)03Check (Control) Return Air Sensor (Zone)04Check (Control) Discharge Air Sensor (Zone)05Check Ambient Temp Sensor 06Check Coolant Temp Sensor

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