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P0112, P0113

Read the instructions below then start the fault diagnostic procedure.

Symptom: CHECK ENGINE lamp on.

P0112, P0113


P0112 Intake Air Temperature Sensor Circuit. Short to Ground.

P0113 Intake Air Temperature Sensor Circuit. Short to B+ / Open Circuit.


Fault symptoms


CHECK ENGINE lamp on.


Conditions

The following conditions apply for this DTC:


P0112: Signal on control module sensor input exceeds 4.8 V for more than 1.2 seconds.

P0113: Signal on control module sensor input less than 0.18 V for more than 1.2 seconds.


Diagnostic help

A substitute value of 20°C is used if the temperature sensor is defective.

Boost pressure limiting takes place to protect the turbocharger at high altitude. Same ground circuit as the boost pressure sensor.

The sensor is a combined sensor for temperature and pressure.

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