OBD Guide
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P1AF5

Drive Motor 1 Control Module Hybrid Battery Voltage Isolation Sensor Circuit High Voltage

P1AF5 is an OBD-II diagnostic trouble code meaning: Drive Motor 1 Control Module Hybrid Battery Voltage Isolation Sensor Circuit High Voltage. Common causes: insulation sensor fault, damage to wiring or contacts. Estimated repair cost: $56–167.

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

Symptoms

  • Check Engine light comes on
  • Hybrid system power reduction
  • Switching to emergency mode
  • Increased fuel consumption
  • Possible problems with battery charging

Causes

  • Insulation sensor fault
  • Damage to wiring or contacts
  • Problems with the hybrid battery control module
  • Short circuit in high voltage circuit
  • Contact corrosion

How to Fix

  1. Check the condition of the wiring and contacts
  2. Test the insulation sensor
  3. Check Hybrid Battery Control Module
  4. Replace damaged components
  5. Repair only from an authorized dealer

Related codes

P1AF6P0AA6

FAQ

What does the P1AF5 code mean?

P1AF5 is an OBD-II diagnostic trouble code that indicates: Drive Motor 1 Control Module Hybrid Battery Voltage Isolation Sensor Circuit High Voltage

What causes a P1AF5 error code?

The most common causes of P1AF5 include: Insulation sensor fault; Damage to wiring or contacts; Problems with the hybrid battery control module; Short circuit in high voltage circuit.

How do I fix a P1AF5 diagnostic trouble code?

To fix P1AF5: Check the condition of the wiring and contacts. Test the insulation sensor. Check Hybrid Battery Control Module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1AF5?

Limited driving only, diagnose soon

How much does it cost to fix P1AF5?

The estimated repair cost for P1AF5 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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