OBD Guide
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P1EA2

Hybrid/EV Battery Interface Control Module 4 Read Only Memory Performance

P1EA2 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Interface Control Module 4 Read Only Memory Performance. Common causes: corruption of data in the module's permanent memory, control module hardware failure. 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
  • Hybrid system power reduction
  • Battery charging problems
  • The vehicle goes into emergency mode
  • Error message on the dashboard

Causes

  • Corruption of data in the module's permanent memory
  • Control module hardware failure
  • Module power problems
  • Corroded or damaged connectors
  • Software problems

How to Fix

  1. Conduct module diagnostics using a scanner
  2. Check the integrity of the wiring harness and connectors
  3. Try to reflash the module
  4. If necessary, replace the control module
  5. Check the condition of the high-voltage battery

Related codes

P1EA0P1EA1P1EA3

FAQ

What does the P1EA2 code mean?

P1EA2 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Interface Control Module 4 Read Only Memory Performance

What causes a P1EA2 error code?

The most common causes of P1EA2 include: Corruption of data in the module's permanent memory; Control module hardware failure; Module power problems; Corroded or damaged connectors.

How do I fix a P1EA2 diagnostic trouble code?

To fix P1EA2: Conduct module diagnostics using a scanner. Check the integrity of the wiring harness and connectors. Try to reflash the module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1EA2?

Limited driving only, diagnose soon

How much does it cost to fix P1EA2?

The estimated repair cost for P1EA2 is $167–556. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat