OBD Guide
ENFRDEESPT

P1A53

Drive Motor 2 Control Module Random Access Memory

P1A53 is an OBD-II diagnostic trouble code meaning: Drive Motor 2 Control Module Random Access Memory. Common causes: control module software failure, physical damage to the control module. 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 vehicle power
  • Switching to emergency mode
  • Incorrect operation of the hybrid system
  • Possible problems with battery charging

Causes

  • Control module software failure
  • Physical damage to the control module
  • Module power problems
  • Short circuit in the module circuit
  • Corrosion of contacts or connectors

How to Fix

  1. Check error codes and freeze frame data
  2. Check power supply and grounding of the module
  3. Inspect connectors and wiring harness for damage
  4. Update or reflash module software
  5. If necessary, replace the engine control module

Related codes

P1A54P1A55P1A56

FAQ

What does the P1A53 code mean?

P1A53 is an OBD-II diagnostic trouble code that indicates: Drive Motor 2 Control Module Random Access Memory

What causes a P1A53 error code?

The most common causes of P1A53 include: Control module software failure; Physical damage to the control module; Module power problems; Short circuit in the module circuit.

How do I fix a P1A53 diagnostic trouble code?

To fix P1A53: Check error codes and freeze frame data. Check power supply and grounding of the module. Inspect connectors and wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1A53?

Limited driving only, diagnose soon

How much does it cost to fix P1A53?

The estimated repair cost for P1A53 is $167–556. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat