OBD Guide
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P1E9A

Hybrid/EV Battery Interface Control Module 3 Performance

P1E9A is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Interface Control Module 3 Performance. Common causes: battery interface control module malfunction, module power problems. Estimated repair cost: $167–556.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$167–556 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced hybrid system efficiency
  • Reducing electric range
  • System transition to emergency mode
  • Possible problems with battery charging

Causes

  • Battery Interface Control Module Malfunction
  • Module power problems
  • Open or short circuit in communication circuits
  • Wiring harness damage
  • Module software errors

How to Fix

  1. Module diagnostics using a scanner
  2. Checking power and grounding circuits
  3. Checking the integrity of the wiring harness
  4. Module software update
  5. Replacing the control module if necessary
  6. Repair only from an authorized dealer

Related codes

P1E9BP1E9CP0AA1

FAQ

What does the P1E9A code mean?

P1E9A is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Interface Control Module 3 Performance

What causes a P1E9A error code?

The most common causes of P1E9A include: Battery Interface Control Module Malfunction; Module power problems; Open or short circuit in communication circuits; Wiring harness damage.

How do I fix a P1E9A diagnostic trouble code?

To fix P1E9A: Module diagnostics using a scanner. Checking power and grounding circuits. Checking the integrity of the wiring harness. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1E9A?

Limited driving only, diagnose soon

How much does it cost to fix P1E9A?

The estimated repair cost for P1E9A is $167–556. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat