OBD Guide

P0C71

Hybrid/EV Battery Temperature Sensor D/E Correlation

P0C71 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Temperature Sensor D/E Correlation. Common causes: temperature sensor d or e faulty, damage to the wiring to the sensors. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced performance of the hybrid system
  • Vehicle power limitation
  • Incorrect battery temperature readings
  • Extended charging time

Causes

  • Temperature sensor D or E faulty
  • Damage to the wiring to the sensors
  • Oxidation or poor contact in connectors
  • Problems with the battery management module
  • Software error in the control system

How to Fix

  1. Diagnostics of temperature sensor readings
  2. Checking the integrity of wiring and connectors
  3. Replacing a faulty temperature sensor
  4. Control Module Software Update
  5. Checking system operation after repair

Related codes

Error P0C71 by Vehicle Brand

FAQ

What does the P0C71 code mean?

P0C71 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Temperature Sensor D/E Correlation

What causes a P0C71 error code?

The most common causes of P0C71 include: Temperature sensor D or E faulty; Damage to the wiring to the sensors; Oxidation or poor contact in connectors; Problems with the battery management module.

How do I fix a P0C71 diagnostic trouble code?

To fix P0C71: Diagnostics of temperature sensor readings. Checking the integrity of wiring and connectors. Replacing a faulty temperature sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0C71?

Yes, but get it checked soon

How much does it cost to fix P0C71?

The estimated repair cost for P0C71 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

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