Fault-tracing information

This diagnostic trouble code can also be generated due to short intermittent open circuits in the ignition. This is solved according to technical journal TJ 4920. If TJ 4920 is introduced, the problem cause can be searched for in cables and relay according to wiring diagram in TJ 4920.

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  Refer to Checking the type of Engine control module (ECM) 

This fault may be due to the Engine control module (ECM) not being powered. Fault-trace the Engine control module (ECM) under function group 2 (engine) for the relevant symptom.

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  Refer to Verification