Code result

P273C

Gear Shift Control Module A Supply Voltage Low

High severity

What it means

The shift-by-wire gear shift control module A reports a supply voltage below the operating range.

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

  • Weak battery sags voltage under load

    high

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

  • Alternator output below regulation point

    medium

    A plausible cause — test and verify before replacing parts.

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