OBD Guide

P1AE8

Drive Motor 1 Control Module Hybrid Battery Voltage Sense Circuit Low Voltage

P1AE8 is an OBD-II diagnostic trouble code meaning: Drive Motor 1 Control Module Hybrid Battery Voltage Sense Circuit Low Voltage. Common causes: damage to the wiring in the voltage control circuit, engine control module 1 malfunction. Estimated repair cost: $56–278.

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

Symptoms

  • Hybrid system power reduction
  • Switching to emergency mode
  • Malfunction indicator light comes on
  • Hybrid battery charging/discharging problems
  • Unstable operation of the power plant

Causes

  • Damage to the wiring in the voltage control circuit
  • Engine control module 1 malfunction
  • Problems with the hybrid battery
  • Corrosion of contacts or connectors
  • Malfunction of voltage sensors

How to Fix

  1. Check the integrity of the wiring and connections in the circuit
  2. Diagnose Engine Control Module 1
  3. Check the condition of the hybrid battery
  4. Test voltage sensors
  5. Update control module software (if necessary)

Related codes

FAQ

What does the P1AE8 code mean?

P1AE8 is an OBD-II diagnostic trouble code that indicates: Drive Motor 1 Control Module Hybrid Battery Voltage Sense Circuit Low Voltage

What causes a P1AE8 error code?

The most common causes of P1AE8 include: Damage to the wiring in the voltage control circuit; Engine control module 1 malfunction; Problems with the hybrid battery; Corrosion of contacts or connectors.

How do I fix a P1AE8 diagnostic trouble code?

To fix P1AE8: Check the integrity of the wiring and connections in the circuit. Diagnose Engine Control Module 1. Check the condition of the hybrid battery. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1AE8?

Limited driving only, diagnose soon

How much does it cost to fix P1AE8?

The estimated repair cost for P1AE8 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat