OBD Guide

P0C41

DC/DC Converter Temperature Sensor B Intermittent/Erratic

P0C41 is an OBD-II diagnostic trouble code meaning: DC/DC Converter Temperature Sensor B Intermittent/Erratic. Common causes: temperature sensor fault b dc/dc converter, problems with sensor wiring or connectors. 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 comes on
  • Reduced performance of the hybrid system
  • Intermittent operation of the DC/DC converter
  • Possible problems with charging a 12-volt battery
  • Reduced overall vehicle performance

Causes

  • Temperature sensor fault B DC/DC converter
  • Problems with sensor wiring or connectors
  • Short circuit or open circuit in the sensor circuit
  • Problems with the DC/DC converter itself
  • Malfunction of the hybrid system control module

How to Fix

  1. Check the condition of temperature sensor B DC/DC converter
  2. Check the integrity of the sensor wiring and connectors
  3. Check the resistance of the temperature sensor
  4. If necessary, replace the temperature sensor
  5. Check the operation of the DC/DC converter after repair

Related codes

Error P0C41 by Vehicle Brand

FAQ

What does the P0C41 code mean?

P0C41 is an OBD-II diagnostic trouble code that indicates: DC/DC Converter Temperature Sensor B Intermittent/Erratic

What causes a P0C41 error code?

The most common causes of P0C41 include: Temperature sensor fault B DC/DC converter; Problems with sensor wiring or connectors; Short circuit or open circuit in the sensor circuit; Problems with the DC/DC converter itself.

How do I fix a P0C41 diagnostic trouble code?

To fix P0C41: Check the condition of temperature sensor B DC/DC converter. Check the integrity of the sensor wiring and connectors. Check the resistance of the temperature sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0C41?

Yes, but get it checked soon

How much does it cost to fix P0C41?

The estimated repair cost for P0C41 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat