OBD Guide

P0CAE

Hybrid/EV Battery Temperature Sensor N Circuit Range/Performance

P0CAE is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Temperature Sensor N Circuit Range/Performance. Common causes: battery temperature sensor fault n, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Reduced performance of the hybrid/electric system
  • System transition to emergency mode
  • Increased fuel consumption (for hybrids)
  • Check Engine Light Illuminates
  • Power reduction

Causes

  • Battery temperature sensor fault N
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Wiring Harness Problems
  • Battery management module malfunction

How to Fix

  1. Check the continuity of the temperature sensor circuit
  2. Inspect connectors and contacts for corrosion or damage
  3. Check the resistance of the temperature sensor
  4. Replace the temperature sensor if it is faulty
  5. Check and replace wiring harness if necessary

Related codes

Error P0CAE by Vehicle Brand

FAQ

What does the P0CAE code mean?

P0CAE is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Temperature Sensor N Circuit Range/Performance

What causes a P0CAE error code?

The most common causes of P0CAE include: Battery temperature sensor fault N; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Wiring Harness Problems.

How do I fix a P0CAE diagnostic trouble code?

To fix P0CAE: Check the continuity of the temperature sensor circuit. Inspect connectors and contacts for corrosion or damage. Check the resistance of the temperature sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0CAE?

Yes, but get it checked soon

How much does it cost to fix P0CAE?

The estimated repair cost for P0CAE is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat