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P1440 fault code: what it means

P1440: IMA system problem: general IMA fault stored with other IMA codes. Electric assist and auto-stop are disabled.

Engine and gearbox (powertrain) · Costly if missed

Usual causes, most likely first

  1. other IMA codes (battery, MDM, motor)
  2. IMA battery weak

P1440 by make

Honda

IMA system problem: general IMA fault stored with other IMA codes. Electric assist and auto-stop are disabled.

Usual causes: other IMA codes (battery, MDM, motor); IMA battery weak

Not sure what P1440 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.