Code result

P22DD

Cylinder 2 Alternative Fuel Injector Control Circuit/Open

High severity

What it means

The drive circuit for the cylinder 2 alternative-fuel injector is open. Bi-fuel vehicles have a second set of injectors for CNG, LPG, or hydrogen — separate from the petrol/diesel injectors.

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

  • Injector winding open

    high

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

  • Pin pushed back out of connector body

    low

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

  • Cracked solder joint inside the module or sensor

    low

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

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