OBD Guide

P041C

EGR Temperature Sensor B Circuit Low

P041C is an OBD-II diagnostic trouble code meaning: EGR Temperature Sensor B Circuit Low. Common causes: open or short circuit of egr temperature sensor (b), poor contact in sensor or ecu connectors. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Unstable engine idling
  • Reduced engine power
  • Increased fuel consumption
  • Check Engine Light Illuminates

Causes

  • Open or short circuit of EGR temperature sensor (B)
  • Poor contact in sensor or ECU connectors
  • Malfunction of the EGR temperature sensor itself (B)
  • Problems with the wiring harness (chafing, corrosion)

How to Fix

  1. Check the integrity of the sensor circuit (resistance, voltage)
  2. Inspect the connectors and clean the contacts
  3. Replace EGR temperature sensor (B) if necessary
  4. Check wiring harness for damage

Related codes

Error P041C by Vehicle Brand

FAQ

What does the P041C code mean?

P041C is an OBD-II diagnostic trouble code that indicates: EGR Temperature Sensor B Circuit Low

What causes a P041C error code?

The most common causes of P041C include: Open or short circuit of EGR temperature sensor (B); Poor contact in sensor or ECU connectors; Malfunction of the EGR temperature sensor itself (B); Problems with the wiring harness (chafing, corrosion).

How do I fix a P041C diagnostic trouble code?

To fix P041C: Check the integrity of the sensor circuit (resistance, voltage). Inspect the connectors and clean the contacts. Replace EGR temperature sensor (B) if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P041C?

Limited driving only, diagnose soon

How much does it cost to fix P041C?

The estimated repair cost for P041C is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat