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P0E50: Motor Electronics Coolant Pump B Control Circuit Intermittent/Erratic

Severity
Low
System
Vehicle Systems

What Does P0E50 Mean?

P0E50 is a diagnostic trouble code indicating: Motor Electronics Coolant Pump B Control Circuit Intermittent/Erratic. This code relates to the vehicle systems system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P0E50

Common Causes

Frequently Asked Questions

What does P0E50 mean?
P0E50 indicates: Motor Electronics Coolant Pump B Control Circuit Intermittent/Erratic. The vehicle's computer has detected that the Motor Electronics Coolant Pump B is not operating within its expected parameters and stored this diagnostic trouble code.
Can I drive with code P0E50?
Yes, P0E50 is generally safe to drive with in the short term. However, it should still be addressed to pass emissions testing and prevent potential secondary issues.
How much does it cost to fix P0E50?
Repair costs for P0E50 typically range from $30 to $300, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80–$150 at most shops) will identify the exact cause before committing to expensive parts.

What To Do Next

Possible Fixes

  • 🔧 Inspect and reseat all Motor Electronics Coolant Pump B connectors
  • 🔧 Repair chafed or damaged wiring in Motor Electronics Coolant Pump B circuit
  • 🔧 Replace Motor Electronics Coolant Pump B if failing intermittently
  1. 1
    Find your vehicle above

    Click your make and model for real owner reports and common causes specific to your vehicle.

  2. 2
    Check for recalls

    Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.

  3. 3
    Get a professional diagnosis

    A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

Related Codes

P0E00 Generator Phase U Current Sensor Circuit P0E01 Generator Phase U Current Sensor Circuit Range/Performance P0E02 Generator Phase U Current Sensor Circuit Low P0E03 Generator Phase U Current Sensor Circuit High P0E04 Generator Phase V Current Sensor Circuit P0E05 Generator Phase V Current Sensor Circuit Range/Performance P0E06 Generator Phase V Current Sensor Circuit Low P0E07 Generator Phase V Current Sensor Circuit High P0E08 Generator Phase W Current Sensor Circuit P0E09 Generator Phase W Current Sensor Circuit Range/Performance