Code result

P2602

Coolant Pump Control Circuit Open

Moderate severity

What it means

The ECU detects an open circuit on the electric coolant pump control line. Without pump control the engine cannot actively manage warm-up and cool-down phases.

Is it safe to drive?

Use caution

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.

Most likely causes

  • Pump motor open

    high

    One of the most commonly reported causes for this code — check this first.

  • Drive line open

    medium

    A plausible cause — test and verify before replacing parts.

  • Pin pushed back out of connector body

    low

    Less common, but worth ruling out after the more likely causes.

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