OBD Guide

P0C70

Hybrid/EV Battery Temperature Sensor C/D Correlation

P0C70 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Temperature Sensor C/D Correlation. Common causes: temperature sensor c or d fault, problems with wiring to sensors. 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
  • Reducing the range of an electric vehicle
  • Incorrect battery temperature readings
  • The system may limit power

Causes

  • Temperature sensor C or D fault
  • Problems with wiring to sensors
  • Poor contact in sensor connectors
  • Problems with the battery management module
  • Corroded or damaged electrical connections

How to Fix

  1. Check temperature sensor readings using a diagnostic scanner
  2. Inspect the wiring and sensor connectors for damage
  3. Check the resistance of temperature sensors
  4. If necessary, replace the faulty temperature sensor
  5. Clean contacts and eliminate corrosion

Related codes

Error P0C70 by Vehicle Brand

FAQ

What does the P0C70 code mean?

P0C70 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Temperature Sensor C/D Correlation

What causes a P0C70 error code?

The most common causes of P0C70 include: Temperature sensor C or D fault; Problems with wiring to sensors; Poor contact in sensor connectors; Problems with the battery management module.

How do I fix a P0C70 diagnostic trouble code?

To fix P0C70: Check temperature sensor readings using a diagnostic scanner. Inspect the wiring and sensor connectors for damage. Check the resistance of temperature sensors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0C70?

Yes, but get it checked soon

How much does it cost to fix P0C70?

The estimated repair cost for P0C70 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat