OBD Guide

P1AE0

Drive Motor 2 Control Module System Voltage Low

P1AE0 is an OBD-II diagnostic trouble code meaning: Drive Motor 2 Control Module System Voltage Low. Common causes: problems with high voltage battery, motor control module malfunction. Estimated repair cost: $167–556.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$167–556 (est.)

Symptoms

  • Reduced motor power
  • The vehicle goes into emergency mode
  • Hybrid system warning light comes on
  • Problems with switching between engines
  • Reduced performance of the hybrid system

Causes

  • Problems with high voltage battery
  • Motor control module malfunction
  • Damaged wiring harness or contacts
  • Problems with voltage converter
  • Faulty relays or fuses

How to Fix

  1. Check the voltage of the high-voltage battery
  2. Diagnose the motor control module
  3. Check the integrity of wire harnesses and connections
  4. Check the operation of the voltage converter
  5. Check the condition of the relays and fuses

Related codes

FAQ

What does the P1AE0 code mean?

P1AE0 is an OBD-II diagnostic trouble code that indicates: Drive Motor 2 Control Module System Voltage Low

What causes a P1AE0 error code?

The most common causes of P1AE0 include: Problems with high voltage battery; Motor control module malfunction; Damaged wiring harness or contacts; Problems with voltage converter.

How do I fix a P1AE0 diagnostic trouble code?

To fix P1AE0: Check the voltage of the high-voltage battery. Diagnose the motor control module. Check the integrity of wire harnesses and connections. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1AE0?

Do not drive — repair immediately

How much does it cost to fix P1AE0?

The estimated repair cost for P1AE0 is $167–556. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat