OBD Guide
ENFRDEESPT

P15D1

Coolant Pump Cut-Off Internal Temperature Too High

P15D1 is an OBD-II diagnostic trouble code meaning: Coolant Pump Cut-Off Internal Temperature Too High. Common causes: coolant pump malfunction, problems in the pump electrical circuit. Estimated repair cost: $50–167.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$50–167 (est.)

Symptoms

  • Engine overheating
  • Turning on the temperature warning light
  • Reduced engine power
  • Activation of emergency operation
  • Unstable operation of the cooling system

Causes

  • Coolant pump malfunction
  • Problems in the pump electrical circuit
  • Malfunction of the thermal sensor of the shutdown mechanism
  • Cooling system is dirty or clogged
  • Problems with ECU software

How to Fix

  1. Check the condition of the coolant pump
  2. Diagnose the electrical circuit of the pump
  3. Check the functionality of the temperature sensor
  4. Clean the cooling system if necessary
  5. Update ECU software if necessary

Related codes

P15D0P15D2

FAQ

What does the P15D1 code mean?

P15D1 is an OBD-II diagnostic trouble code that indicates: Coolant Pump Cut-Off Internal Temperature Too High

What causes a P15D1 error code?

The most common causes of P15D1 include: Coolant pump malfunction; Problems in the pump electrical circuit; Malfunction of the thermal sensor of the shutdown mechanism; Cooling system is dirty or clogged.

How do I fix a P15D1 diagnostic trouble code?

To fix P15D1: Check the condition of the coolant pump. Diagnose the electrical circuit of the pump. Check the functionality of the temperature sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P15D1?

Do not drive — repair immediately

How much does it cost to fix P15D1?

The estimated repair cost for P15D1 is $50–167. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat