OBD Guide

P1A13

Hybrid Powertrain Control Module Regenerative Braking Disabled

P1A13 is an OBD-II diagnostic trouble code meaning: Hybrid Powertrain Control Module Regenerative Braking Disabled. Common causes: malfunction of the hybrid powertrain control module (hpcm), problems with wheel speed sensors. Estimated repair cost: $56–278.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Increased fuel consumption
  • Unusual braking behavior
  • Reduced hybrid system efficiency
  • Check Engine Light Illuminates
  • Warning messages appear on the instrument panel

Causes

  • Malfunction of the hybrid powertrain control module (HPCM)
  • Problems with wheel speed sensors
  • Low or faulty high voltage battery
  • Problems in power electronics
  • Damage to the recuperation system wiring harness

How to Fix

  1. Diagnostics of the HPCM module for errors
  2. Checking the condition of the high-voltage battery
  3. Wheel speed sensor testing
  4. Inspection of power electronics and connections
  5. Scan for additional trouble codes

Related codes

FAQ

What does the P1A13 code mean?

P1A13 is an OBD-II diagnostic trouble code that indicates: Hybrid Powertrain Control Module Regenerative Braking Disabled

What causes a P1A13 error code?

The most common causes of P1A13 include: Malfunction of the hybrid powertrain control module (HPCM); Problems with wheel speed sensors; Low or faulty high voltage battery; Problems in power electronics.

How do I fix a P1A13 diagnostic trouble code?

To fix P1A13: Diagnostics of the HPCM module for errors. Checking the condition of the high-voltage battery. Wheel speed sensor testing. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1A13?

Limited driving only, diagnose soon

How much does it cost to fix P1A13?

The estimated repair cost for P1A13 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat