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P1562 fault code: what it means

P1562: Fuel quantity adjuster (N146) at its upper limit on the VP37 pump. Power loss and jerking.

Engine and gearbox (powertrain) · Costly if missed

Usual causes, most likely first

  1. quantity adjuster not set or binding
  2. injection pump wear
  3. wiring fault

P1562 by make

Audi

Fuel quantity adjuster (N146) at its upper limit on the VP37 pump. Power loss and jerking.

Usual causes: quantity adjuster not set or binding; injection pump wear; wiring fault

Honda

Honda IMA battery module voltage problem. A sign the IMA battery is weakening.

Usual causes: weak IMA battery modules; battery condition monitor

Skoda

Fuel quantity adjuster (N146) at its upper limit on the VP37 pump. Power loss and jerking.

Usual causes: quantity adjuster not set or binding; injection pump wear; wiring fault

Volkswagen

Fuel quantity adjuster (N146) at its upper limit on the VP37 pump. Power loss and jerking.

Usual causes: quantity adjuster not set or binding; injection pump wear; wiring fault

Not sure what P1562 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.