Code result

P276B

Electric/Auxiliary Transmission Fluid Pump B Motor Supply Voltage Circuit Low

High severity

What it means

The motor supply voltage of the second auxiliary transmission fluid pump is 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

  • High-resistance battery feed

    high

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

  • Weak battery sags under pump current

    medium

    A plausible cause — test and verify before replacing parts.

  • Connector pins corroded - high contact resistance

    low

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

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