Code result

P0D1F

Control Module Date/Time Synchronization Error

Moderate severity

What it means

The control module detects that its internal date/time clock has lost synchronization with the vehicle network. Required for charge scheduling and event logging.

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

  • Battery disconnect cleared internal clock

    high

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

  • RTC backup battery low

    medium

    A plausible cause — test and verify before replacing parts.

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