OBD Guide

P2041

Reductant Injection Air Pressure Sensor A Circuit Intermittent

P2041 is an OBD-II diagnostic trouble code meaning: Reductant Injection Air Pressure Sensor A Circuit Intermittent. Common causes: damage to the sensor wiring harness, poor contact in connectors. Estimated repair cost: $33–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–89 (est.)

Symptoms

  • Check Engine Light Is On
  • Reduced engine power
  • Increased fuel consumption
  • AdBlue system error message
  • Intermittent operation of the reagent injection system

Causes

  • Damage to the sensor wiring harness
  • Poor contact in connectors
  • Air pressure sensor malfunction
  • Problems with the SCR control unit
  • Short circuit or open circuit

How to Fix

  1. Check the integrity of the sensor wiring harness
  2. Clean and check connector contacts
  3. Test the air pressure sensor
  4. Check the functionality of the SCR control unit
  5. Replace sensor if necessary

Related codes

Error P2041 by Vehicle Brand

FAQ

What does the P2041 code mean?

P2041 is an OBD-II diagnostic trouble code that indicates: Reductant Injection Air Pressure Sensor A Circuit Intermittent

What causes a P2041 error code?

The most common causes of P2041 include: Damage to the sensor wiring harness; Poor contact in connectors; Air pressure sensor malfunction; Problems with the SCR control unit.

How do I fix a P2041 diagnostic trouble code?

To fix P2041: Check the integrity of the sensor wiring harness. Clean and check connector contacts. Test the air pressure sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2041?

Limited driving only, diagnose soon

How much does it cost to fix P2041?

The estimated repair cost for P2041 is $33–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat