OBD Guide

P10D1

Reductant Injector Temperature Exhaust Gas Temperature Not Plausible

P10D1 is an OBD-II diagnostic trouble code meaning: Reductant Injector Temperature Exhaust Gas Temperature Not Plausible. Common causes: exhaust gas temperature sensor malfunction, problems with wiring to temperature sensors. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Increased fuel consumption
  • Reduced engine power
  • Check Engine Light Illuminates
  • Increased NOx emissions
  • Inability to activate the SCR system

Causes

  • Exhaust gas temperature sensor malfunction
  • Problems with wiring to temperature sensors
  • Reagent injector malfunction
  • Contaminated or damaged temperature sensors
  • Problems with the engine control unit

How to Fix

  1. Check temperature sensors for damage
  2. Check the integrity of the wiring to the temperature sensors
  3. Check the operation of the reagent nozzle
  4. Clean or replace dirty temperature sensors
  5. Check and, if necessary, update the engine control unit software

Related codes

FAQ

What does the P10D1 code mean?

P10D1 is an OBD-II diagnostic trouble code that indicates: Reductant Injector Temperature Exhaust Gas Temperature Not Plausible

What causes a P10D1 error code?

The most common causes of P10D1 include: Exhaust gas temperature sensor malfunction; Problems with wiring to temperature sensors; Reagent injector malfunction; Contaminated or damaged temperature sensors.

How do I fix a P10D1 diagnostic trouble code?

To fix P10D1: Check temperature sensors for damage. Check the integrity of the wiring to the temperature sensors. Check the operation of the reagent nozzle. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P10D1?

Yes, but get it checked soon

How much does it cost to fix P10D1?

The estimated repair cost for P10D1 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat