Diagnostic trouble code (DTC) information

Condition 

Diagnostic trouble code (DTC) ECM-53 is stored if the engine control module (ECM) counts more than two teeth too few or too many on the carrier plate / flywheel for two consecutive crankshaft revolutions.

Substitute Value 

None.

Possible Source 

• Contact resistance in the terminals.
• Signal cable insulation damaged.
• Damaged carrier plate / drive plate.
• Defective engine speed (RPM) sensor.

Fault symptom[s] 

• Engine running very jerkily.