Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
DTC P1260: Security Input Malfunction: Notes
2002 Jaguar XK8 2D CoupeSECTION Notes
NOTE:
This DTC can only be cleared following an ignition OFF/ON cycle after rectification. Attempts to clear without cycling the ignition will result in the DTC reflagging 3-4 seconds after clearing. DTC P1260 can be flagged as a result of a time-out situation within the security system. If the engine cranks with P1260 flagged, clear the code and recheck the DTCs.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.