OBD Guide

B1E72

Power Inverter Enable Control Circuit Short To Ground

B1E72 is an OBD-II diagnostic trouble code meaning: Power Inverter Enable Control Circuit Short To Ground. Common causes: wiring harness damage, solenoid valve malfunction. Estimated repair cost: $111–556.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$111–556 (est.)

Symptoms

  • Check Engine light comes on
  • Problems starting the engine
  • Reduced performance of the hybrid system
  • Disabling the start-stop system

Causes

  • Wiring harness damage
  • Solenoid valve malfunction
  • Short circuit in control circuit
  • Inverter fault

How to Fix

  1. Check wiring harness for damage
  2. Check control circuit resistance
  3. Replace faulty solenoid valve
  4. Replace inverter if necessary

Related codes

FAQ

What does the B1E72 code mean?

B1E72 is an OBD-II diagnostic trouble code that indicates: Power Inverter Enable Control Circuit Short To Ground

What causes a B1E72 error code?

The most common causes of B1E72 include: Wiring harness damage; Solenoid valve malfunction; Short circuit in control circuit; Inverter fault.

How do I fix a B1E72 diagnostic trouble code?

To fix B1E72: Check wiring harness for damage. Check control circuit resistance. Replace faulty solenoid valve. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1E72?

Limited driving only, diagnose soon

How much does it cost to fix B1E72?

The estimated repair cost for B1E72 is $111–556. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat