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P0AFC fault code: what it means

P0AFC: Hybrid battery pack sensor module fault: the battery ECU has an internal fault. Hybrid system may be limited or shut down.

Engine and gearbox (powertrain) · Costly if missed

Usual causes, most likely first

  1. failed battery ECU
  2. battery ECU power or earth fault
  3. corroded connectors

P0AFC by make

Toyota

Hybrid battery pack sensor module fault: the battery ECU has an internal fault. Hybrid system may be limited or shut down.

Usual causes: failed battery ECU; battery ECU power or earth fault; corroded connectors

What the repair usually costs

Not sure what P0AFC 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.