OBD Guide
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P15D3

Coolant Pump Cut-Off Overcurrent

P15D3 is an OBD-II diagnostic trouble code meaning: Coolant Pump Cut-Off Overcurrent. Common causes: short circuit in the pump circuit, pump motor malfunction. Estimated repair cost: $33–167.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$33–167 (est.)

Symptoms

  • Check Engine light comes on
  • Engine overheating
  • Reduced engine performance
  • Unstable operation of the cooling system
  • Coolant pump noise

Causes

  • Short circuit in the pump circuit
  • Pump motor malfunction
  • Relay or fuse problems
  • Wiring harness damage
  • Engine control unit malfunction

How to Fix

  1. Check fuses and relays in the pump circuit
  2. Diagnose resistance and continuity of the pump circuit
  3. Check the operation of the pump motor
  4. Inspect the wiring harness for damage
  5. If necessary, replace the coolant pump

Related codes

P15D0P15D1P15D2

FAQ

What does the P15D3 code mean?

P15D3 is an OBD-II diagnostic trouble code that indicates: Coolant Pump Cut-Off Overcurrent

What causes a P15D3 error code?

The most common causes of P15D3 include: Short circuit in the pump circuit; Pump motor malfunction; Relay or fuse problems; Wiring harness damage.

How do I fix a P15D3 diagnostic trouble code?

To fix P15D3: Check fuses and relays in the pump circuit. Diagnose resistance and continuity of the pump circuit. Check the operation of the pump motor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P15D3?

Do not drive — repair immediately

How much does it cost to fix P15D3?

The estimated repair cost for P15D3 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat