BMW hybrid pressure-tank electronics fault codes

The 35 fault codes the hybrid pressure-tank electronics can store, and what each one means. Some codes mean different things in different versions of the module; tap a code to see which applies to your car.

On: X5 (E70), X6 (E71), X6 (E72)

  • 652C Hybrid pressure refuelling electronic control unit (TFE): Servodrive for fuel filler flap: Short circuit to B+
  • 652D Hybrid pressure refuelling electronic control unit (TFE): Servodrive for fuel filler flap: Open circuit
  • 652E Hybrid pressure refuelling electronic control unit (TFE): Fuel tank non-return valve: short circuit to B+
  • 652F Hybrid pressure refuelling electronic control unit (TFE): Fuel tank non-return valve: Short circuit to B- or open circuit
  • 6530 Hybrid pressure refuelling electronic control unit (TFE): Refuelling button: Short circuit to B+
  • 6531 Hybrid pressure refuelling electronic control unit (TFE): Refuelling button: Open circuit in signal circuit
  • 6532 Hybrid pressure refuelling electronic control unit (TFE): Fuel filler flap sensor: Short circuit to B+ (signal circuit short circuit detection or signal line short circuit detection)
  • 6533 Hybrid pressure refuelling electronic control unit (TFE): Fuel filler flap sensor: Open circuit or short circuit to B-
  • 6534 Hybrid pressure refuelling electronic control unit (TFE): Fuel pressure sensor: LIN signal in impermissible signal range (LIN-P signal in invalid)
  • 6535 Hybrid pressure refuelling electronic control unit (TFE): Fuel pressure sensor: LIN, short circuit, high side to B+
  • 6536 Hybrid pressure refuelling electronic control unit (TFE): Fuel pressure sensor: LIN, short circuit, high side to B-
  • 6537 Hybrid pressure refuelling electronic control unit (TFE): LIN communication disrupted
  • 6538 Hybrid pressure refuelling electronic control unit (TFE): Coding data error
  • 6539 Hybrid pressure refuelling electronic control unit (TFE): Servodrive for fuel filler flap: Short circuit to B-
  • 653C Hybrid pressure refuelling electronic control unit (TFE): Fuel tank non-return valve: Short circuit to B-
  • 653D Hybrid pressure refuelling electronic control unit (TFE): Fuel filler flap sensor: Short circuit to B+ (short circuit detection positive supply line)
  • 653E Hybrid pressure refuelling electronic control unit (TFE): Fuel filler flap sensor: Short circuit to B-
  • 6540 Hybrid pressure refuelling electronic control unit (TFE): Abrupt pressure drop
  • 6541 Hybrid pressure refuelling electronic control unit (TFE): Refuelling button jammed
  • 6542 Hybrid pressure refuelling electronic control unit (TFE): No tank pressure decrease possible after valve opening
  • 6543 TFE: Plausibilization of fuel filler flap status failed
  • 6544 Hybrid pressure refuelling electronic control unit (TFE): Refuelling button: Button activation status implausible
  • 6550 Hybrid pressure refuelling electronic control unit (TFE): Fuel filler flap sensor: Signal value outside valid range
  • 6551 Hybrid pressure refuelling electronic control unit (TFE): Refuelling button: Short circuit to earth
  • 6552 Hybrid pressure refuelling electronic control unit (TFE): Refuelling button: Signal value outside valid range
  • 6553 Hybrid pressure refuelling electronic control unit (TFE): Fuel pressure sensor: Maximum supply current exceeded
  • 6557 Hybrid pressure refuelling electronic control unit (TFE): Fuel pressure sensor: Incorrect sensor installed
  • 6560 Hybrid pressure refuelling electronic control unit (TFE): Fuel system malfunction
  • 6561 Hybrid pressure refuelling electronic control unit (TFE): Fuel system malfunction (emergency refueling)
  • 6566 Hybrid pressure refuelling electronic control unit (TFE): Fuel pressure sensor: LIN format fault
  • 6567 Hybrid pressure refuelling electronic control unit (TFE): Fuel pressure sensor: LIN signal in impermissible signal range (LIN-T signal in inadmissible)
  • 656A Hybrid pressure refuelling electronic control unit (TFE): Fuel tank non-return valve: Short circuit
  • 656B Hybrid pressure refuelling electronic control unit (TFE): Servodrive for fuel filler flap: Short-circuit
  • D047 Hybrid pressure refuelling electronic control unit (TFE): CAN bus communication fault
  • D054 No message, receiver TFE, transmitter DME-DDE

Every BMW module's fault codes