OBD-II code · Powertrain (generic)

P0513 Incorrect Immobilizer Key

The immobiliser system has detected a key that is not authorised for this vehicle. Engine start is blocked. Possible causes are an unprogrammed replacement key, a transponder fault, or a deliberate attempt to start with the wrong key.

Is it safe to drive with P0513?

Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.

Common causes

  • Most likelyReplacement key not programmed
  • PossibleKey transponder defective

Repair at a glance

Difficulty
Medium
DIY friendly
Best left to a mechanic
Typical labour
0.5–2 h
Emissions test
Usually unaffected
Parts involved
Immobilizer, Key Transponder

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.