2013 PACCAR MX-13 – P0340 Camshaft speed signal-Distributed or no signal during engine operation

Fault code information

1 trip MIL
3 drive cycle recovery
Readiness group – None
Freeze frame type – Fuel

Description of component(s)

Location of component(s)

Diagnostic condition

This diagnostic runs continuously when the engine is running.

Set condition of fault code

The PCI ECU (D420) detects that one or more teeth of the camshaft sensor tone wheel are not detected within one crankshaft revolution.

Reset condition of fault code

This DTC changes to inactive when the fault is no longer detected. To validate the repair, key off the ignition for at least 15 seconds, key on again. Then start the engine and let it idle for 2 minutes.

Electrical diagram(s)

Technical data

Possible causes

* Faulty camshaft sensor signal
* Check the effective AC voltage (VAC) generated by the sensor.
* Faulty camshaft sensor

Additional information

* Camshaft sensor (F558) is used to determine the position of the engine (cylinder detection).
* Engine torque is reduced.

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