P10D1 Possible Causes
- Faulty reductant temperature injector exhaust gas temperature sensor
- Reductant temperature injector exhaust gas temperature sensor harness is open or shorted
- Poor electrical connection in reductant temperature injector exhaust gas temperature sensor circuit
How Is Code P10D1 Repaired?
Begin by checking the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
Illuminated engine light (or service engine soon warning light)
P10D1 Meaning
The Powertrain Control Module (PCM) monitors the reductant temperature injector exhaust gas temperature sensor. The PCM sets the OBDII code when the reductant temperature injector exhaust gas temperature sensor does not meet factory specifications.