U3010

What it means

Fault on the ignition START input — module does not see start request when cranking, or sees one when not cranking.

Is it safe to drive?

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

• Start position contacts worn

  high

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

• Gateway module routing CAN messages incorrectly

  low

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

• CAN terminating resistor (120 Ω) drifted out of spec

  low

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

Related help

• Full U3010 diagnosis, causes & costs
• How to read check engine light codes
• Is it safe to drive with the light on?