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P1515 fault code: what it means

P1515: System time plausibility: the clock signal makes no sense to the DME. Often after a flat battery.

Engine and gearbox (powertrain) · Keep an eye on

Usual causes, most likely first

  1. battery disconnected or flat
  2. instrument cluster time fault

P1515 by make

BMW

System time plausibility: the clock signal makes no sense to the DME. Often after a flat battery.

Usual causes: battery disconnected or flat; instrument cluster time fault

Mini

System time plausibility: the clock signal makes no sense to the DME. Often after a flat battery.

Usual causes: battery disconnected or flat; instrument cluster time fault

What the repair usually costs

Not sure what P1515 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.