Code result

P2B2C

Engine Coolant Temperature Sensor 5 Range/Performance

Moderate severity

What it means

The engine coolant temperature 5 signal does not match plausibility checks against related signals. Sensor drift.

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

  • Sensor characteristic drifted

    high

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

  • Sensor mounting displaced from reference path

    medium

    A plausible cause — test and verify before replacing parts.

  • Sensor element aged beyond calibration window

    low

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

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