OBD Guide
ENFRDEESPT

P1A50

Drive Motor 1 Control Module Random Access Memory

P1A50 is an OBD-II diagnostic trouble code meaning: Drive Motor 1 Control Module Random Access Memory. Common causes: control module software failure, damage to module ram. 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 engine power
  • Acceleration problems
  • Rough engine operation
  • Switching to emergency mode

Causes

  • Control module software failure
  • Damage to module RAM
  • Module power problems
  • Short circuit in control circuit
  • Physical damage to the module

How to Fix

  1. Check connections and module wiring harness
  2. Check the module supply voltage
  3. Update module software
  4. Replace the control module if necessary
  5. Test the system after repair

Related codes

P1A51P1A52P1A53

FAQ

What does the P1A50 code mean?

P1A50 is an OBD-II diagnostic trouble code that indicates: Drive Motor 1 Control Module Random Access Memory

What causes a P1A50 error code?

The most common causes of P1A50 include: Control module software failure; Damage to module RAM; Module power problems; Short circuit in control circuit.

How do I fix a P1A50 diagnostic trouble code?

To fix P1A50: Check connections and module wiring harness. Check the module supply voltage. Update module software. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1A50?

Limited driving only, diagnose soon

How much does it cost to fix P1A50?

The estimated repair cost for P1A50 is $167–556. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat