OBD Guide

P1AEC

Drive Motor 1 Control Module Hybrid Battery System Voltage

P1AEC is an OBD-II diagnostic trouble code meaning: Drive Motor 1 Control Module Hybrid Battery System Voltage. Common causes: engine control module 1 malfunction, problems with wiring to the hybrid battery. Estimated repair cost: $56–278.

Severity
🔴 High
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Reduced engine power
  • Switching to emergency mode
  • Check Engine Light Illuminated
  • Unstable operation of the hybrid system
  • Reduced performance of the hybrid system

Causes

  • Engine control module 1 malfunction
  • Problems with wiring to the hybrid battery
  • Hybrid battery voltage unstable
  • Corrosion or poor contact in connectors
  • Problems with the hybrid battery charging system

How to Fix

  1. Check hybrid battery voltage
  2. Inspect wiring and connectors for damage
  3. Check engine control module 1 operation
  4. Scan the system for additional errors
  5. Replace control module or wiring components as necessary

Related codes

FAQ

What does the P1AEC code mean?

P1AEC is an OBD-II diagnostic trouble code that indicates: Drive Motor 1 Control Module Hybrid Battery System Voltage

What causes a P1AEC error code?

The most common causes of P1AEC include: Engine control module 1 malfunction; Problems with wiring to the hybrid battery; Hybrid battery voltage unstable; Corrosion or poor contact in connectors.

How do I fix a P1AEC diagnostic trouble code?

To fix P1AEC: Check hybrid battery voltage. Inspect wiring and connectors for damage. Check engine control module 1 operation. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1AEC?

Yes, but get it checked soon

How much does it cost to fix P1AEC?

The estimated repair cost for P1AEC is $56–278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat