OBD Guide

P1A06

Battery Energy Control Module Read Only Memory

P1A06 is an OBD-II diagnostic trouble code meaning: Battery Energy Control Module Read Only Memory. Common causes: control module software failure, module permanent memory damaged. 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 performance of the hybrid system
  • Battery charging problems
  • Reduced vehicle power
  • Errors in the operation of the regenerative braking system

Causes

  • Control module software failure
  • Module permanent memory damaged
  • Control module power problems
  • Short circuit in the module circuit
  • Physical damage to the module

How to Fix

  1. Diagnose the control module using a scanner
  2. Try to reboot the system (disconnect and reconnect the battery)
  3. Update control module software
  4. Check the integrity of the wiring harness and connections
  5. If necessary, replace the battery management module

Related codes

FAQ

What does the P1A06 code mean?

P1A06 is an OBD-II diagnostic trouble code that indicates: Battery Energy Control Module Read Only Memory

What causes a P1A06 error code?

The most common causes of P1A06 include: Control module software failure; Module permanent memory damaged; Control module power problems; Short circuit in the module circuit.

How do I fix a P1A06 diagnostic trouble code?

To fix P1A06: Diagnose the control module using a scanner. Try to reboot the system (disconnect and reconnect the battery). Update control module software. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1A06?

Limited driving only, diagnose soon

How much does it cost to fix P1A06?

The estimated repair cost for P1A06 is $167–556. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat