OBD Guide
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P1D7E

Reactor Temperature Sensor Circuit High Voltage

P1D7E is an OBD-II diagnostic trouble code meaning: Reactor Temperature Sensor Circuit High Voltage. Common causes: reactor temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • The car goes into emergency mode

Causes

  • Reactor temperature sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • ECU malfunction

How to Fix

  1. Check the integrity of the reactor temperature sensor circuit
  2. Check the sensor connector for corrosion or damage.
  3. Replace the reactor temperature sensor if necessary
  4. Check and, if necessary, replace the computer

Related codes

P1D7FP1D80

FAQ

What does the P1D7E code mean?

P1D7E is an OBD-II diagnostic trouble code that indicates: Reactor Temperature Sensor Circuit High Voltage

What causes a P1D7E error code?

The most common causes of P1D7E include: Reactor temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; ECU malfunction.

How do I fix a P1D7E diagnostic trouble code?

To fix P1D7E: Check the integrity of the reactor temperature sensor circuit. Check the sensor connector for corrosion or damage.. Replace the reactor temperature sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1D7E?

Yes, but get it checked soon

How much does it cost to fix P1D7E?

The estimated repair cost for P1D7E is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat