P1640

Tire / Axle Ratio Out of Acceptable Range

DTC P1640, sometimes indicated as P164000 is an OBD diagnostic trouble code indicating a manufacturer-specific fault with the vehicle powertrain (i.e. engine and gearbox). This code identifies an error with the causing tire / axle ratio out of acceptable range.

  • P1640: Tire / Axle Ratio Out of Acceptable Range
  • P1640 00: Engine control module (ECM), output driver - supply voltage high
  • P1640 00: Four solenoid ignition control failure - final stage

DTC Trouble Code Search
Bulletins

Bulletins are notices put out by manufacturers in conjunction with the NHTSA to notify the public of manufacturing issues or changes.

  • 01-004-22 - ENGINE AND ENGINE COOLING
    MAZDA: Some customers may experience the check engine light on at idle with dtc P22FB:00 [dcu] and P1640:00 [pcm] stored in memory. *P22FB:00 [dcu]: nox sensor no.1: on-board diagnostics canceled *P1640:00 [pcm]: powertrain dtcs available in dos
  • TT 01 20 04 - ENGINE AND ENGINE COOLING
    VOLKSWAGEN: Address dtc P1640 fault code in ecm
  • IB0004S005 - POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
    ISUZU: This bulletin provides information on the P1640 and P1650 output drive codes which refer to output driver circuit conditions related to the pcm. *tt
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