OBD Guide

P0517

Battery Temperature Sensor Circuit High

P0517 is an OBD-II diagnostic trouble code meaning: Battery Temperature Sensor Circuit High. Common causes: battery temperature sensor malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.

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

Symptoms

  • Error message on the dashboard
  • Reduced charging system efficiency
  • Incorrect operation of the Start-Stop system
  • Power limitation in hybrid systems

Causes

  • Battery temperature sensor malfunction
  • Open or short circuit in wiring harness
  • Poor contact in the sensor connector
  • Battery Management Module (BMS) Problems
  • Battery overheating

How to Fix

  1. Check the temperature sensor reading using a diagnostic scanner
  2. Visually inspect the sensor and wiring harness for damage
  3. Check the sensor resistance depending on the temperature (compare with the manufacturer’s specifications)
  4. Check continuity between sensor and ECU
  5. Clean or replace connectors if necessary
  6. Replace the battery temperature sensor if the fault is confirmed
  7. Reflash the battery management module if a software failure is suspected

Related codes

Error P0517 by Vehicle Brand

FAQ

What does the P0517 code mean?

P0517 is an OBD-II diagnostic trouble code that indicates: Battery Temperature Sensor Circuit High

What causes a P0517 error code?

The most common causes of P0517 include: Battery temperature sensor malfunction; Open or short circuit in wiring harness; Poor contact in the sensor connector; Battery Management Module (BMS) Problems.

How do I fix a P0517 diagnostic trouble code?

To fix P0517: Check the temperature sensor reading using a diagnostic scanner. Visually inspect the sensor and wiring harness for damage. Check the sensor resistance depending on the temperature (compare with the manufacturer’s specifications). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0517?

Limited driving only, diagnose soon

How much does it cost to fix P0517?

The estimated repair cost for P0517 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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