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P0197, P0198

Read the instructions below then start the fault diagnostic procedure.

Symptom: CHECK ENGINE lamp on.

P0197, P0198


P0197 Oil Temperature Sensor Circuit. Short to Ground.

P0198 Oil Temperature Sensor Circuit. Short to B+ / Open Circuit.


Fault symptoms


• CHECK ENGINE lamp on.


Conditions

The following conditions apply for this DTC:


• P0197: Signal on control module sensor input less than 0.49 V for more than 1.2 seconds.

• P0198: Signal on control module sensor input more than 4.96 V for more than 1.2 seconds.


Diagnostic help

The control module uses 100°C as a substitute value. Diagnosis for P0116 and P0196 is disengaged.

Note

A fault in the control module female connector can cause a trouble code. Check the contact for a bent pin, oxidation and tightness of pins. See Difficult faults in PSG16 despite trouble code