OBD Guide

P1405

DPF EGR Sensor Circuit High Voltage Detected

P1405 is an OBD-II diagnostic trouble code meaning: DPF EGR Sensor Circuit High Voltage Detected . Common causes: egr dpf sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Check Engine Light Is On
  • Reduced engine power
  • Increased fuel consumption
  • Rough engine idling
  • Problems with the exhaust gas recirculation system

Causes

  • EGR DPF sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in sensor connectors
  • Problems with the engine control unit
  • Corroded or damaged wiring

How to Fix

  1. Check the continuity of the EGR DPF sensor circuit
  2. Inspect the connectors and contacts of the sensor for oxidation
  3. Check the functionality of the EGR DPF sensor
  4. Replace sensor if necessary
  5. Reset the error code and check if it returns

Related codes

Error P1405 by Vehicle Brand

FAQ

What does the P1405 code mean?

P1405 is an OBD-II diagnostic trouble code that indicates: DPF EGR Sensor Circuit High Voltage Detected

What causes a P1405 error code?

The most common causes of P1405 include: EGR DPF sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in sensor connectors; Problems with the engine control unit.

How do I fix a P1405 diagnostic trouble code?

To fix P1405: Check the continuity of the EGR DPF sensor circuit. Inspect the connectors and contacts of the sensor for oxidation. Check the functionality of the EGR DPF sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1405?

Yes, but get it checked soon

How much does it cost to fix P1405?

The estimated repair cost for P1405 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat