Code result

P0A01

Motor Electronics Coolant Temperature Sensor Range/Performance

High severity

What it means

The motor electronics coolant temperature sensor reading is implausible relative to other thermal models or coolant flow estimates.

Is it safe to drive?

No — stop driving

This code points to a problem that can cause damage or affect safety. Avoid driving and have the vehicle diagnosed promptly.

Most likely causes

  • Sensor drift

    high

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

  • Low coolant flow

    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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