Deutz-Fahr P0544-11: Exhaust gas temperature sensor (upstream DOC) - Short circuit to ground

The exhaust gas temperature sensor (upstream DOC) is experiencing a short circuit to ground. This condition can lead to incorrect temperature readings and may affect engine performance or emissions control.

1. 1

   The wiring harness connected to the exhaust gas temperature sensor (upstream DOC)

2. 2

   The connector for the exhaust gas temperature sensor (upstream DOC)

3. 3

   The exhaust gas temperature sensor (upstream DOC) itself for physical damage or contamination

1. 1

   Inspect

   Inspect the wiring harness connected to the exhaust gas temperature sensor (upstream DOC) for signs of damage, wear, or exposure to heat.

2. 2

   Inspect

   Inspect the connector for the exhaust gas temperature sensor (upstream DOC) for corrosion, loose pins, or improper seating.

3. 3

   Test

   Test the exhaust gas temperature sensor (upstream DOC) for continuity and resistance using a multimeter, following the service manual procedures.