P1000 fault code: what it means

P1000: Ford code: OBD self-tests not yet complete since the last reset. Not a fault on its own, but a just-cleared code list can hide problems.

Engine and gearbox (powertrain) · Keep an eye on

Usual causes, most likely first

codes recently cleared
battery recently disconnected

P1000 by make

Ford

Ford code: OBD self-tests not yet complete since the last reset. Not a fault on its own, but a just-cleared code list can hide problems.

Usual causes: codes recently cleared; battery recently disconnected

Land Rover

Engine computer memory has been erased (battery disconnected or codes cleared). Readiness tests not yet complete.

Usual causes: battery disconnected recently; fault codes recently cleared

What the repair usually costs

Diagnostic scan, fault code read and report (warning light on)NZ$70–NZ$140 · A$80–A$150

Not sure what P1000 means on your car? Ask Credov.

Before you clear it

Write the code down or photograph the scanner first. A code that comes straight back after clearing points to a fault that is still there. A car whose codes were cleared just before you arrived may be hiding one: the scanner's readiness monitors show "not ready" for a while after codes are cleared.

Researched by Credov from manufacturer and workshop sources. A fault code points to where a fault may be; a workshop confirms it with a diagnosis. Browse all fault codes.