Code result

C0740

Electric Power Steering Voltage Supply

Moderate severity

What it means

The supply voltage to the EPS module is out of range, reducing or disabling power assist.

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 undervoltage during high steering load

    high

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

  • Ground point corroded

    medium

    A plausible cause — test and verify before replacing parts.

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