OBD Guide
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P064F

Unauthorized Software/Calibration Detected

P064F is an OBD-II diagnostic trouble code meaning: Unauthorized Software/Calibration Detected. Common causes: unauthorized ecu flashing (chip tuning), failed or incomplete official firmware update. Estimated repair cost: $56–889.

Severity
🔴 High
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–889 (est.)

Symptoms

  • Check Engine light comes on
  • Power limitation (emergency mode)
  • Refusal to start the engine (in some implementations)
  • Failure of the gear shift control system (automatic transmission)
  • Information display warning that unauthorized software has been detected

Causes

  • Unauthorized ECU flashing (chip tuning)
  • Failed or incomplete official firmware update
  • Installing an ECU from another car (VIN mismatch)
  • Damage to the ECU flash memory
  • Attempt to hack or bypass ECU protection

How to Fix

  1. Read full code history and additional error details
  2. Install official software through dealer reprogramming system
  3. If the ECU has been replaced, make sure it is compatible and perform the binding procedure (VIN, immobilizer)
  4. Check the integrity of the ECU flash memory
  5. If necessary, rewrite the factory firmware from an official dealer

Related codes

P0601P0602P0604P0605P0606

Error P064F by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P064F code mean?

P064F is an OBD-II diagnostic trouble code that indicates: Unauthorized Software/Calibration Detected

What causes a P064F error code?

The most common causes of P064F include: Unauthorized ECU flashing (chip tuning); Failed or incomplete official firmware update; Installing an ECU from another car (VIN mismatch); Damage to the ECU flash memory.

How do I fix a P064F diagnostic trouble code?

To fix P064F: Read full code history and additional error details. Install official software through dealer reprogramming system. If the ECU has been replaced, make sure it is compatible and perform the binding procedure (VIN, immobilizer). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P064F?

Yes, but get it checked soon

How much does it cost to fix P064F?

The estimated repair cost for P064F is $56–889. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat