OBD Guide
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P0650

MIL Control Circuit/Open

P0650 is an OBD-II diagnostic trouble code meaning: MIL Control Circuit/Open. Common causes: burnt out mil lamp in dashboard, mil lamp control circuit wire open. Estimated repair cost: $2–222.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$2–222 (est.)

Symptoms

  • The Check Engine light does not light up when the ignition is turned on (self-test)
  • If there are other error codes, the lamp does not light up
  • Code P0650 is detected only when diagnosed by a scanner
  • Otherwise the car works fine
  • Possible constant lighting of MIL (with a short circuit to positive)

Causes

  • Burnt out MIL lamp in dashboard
  • MIL lamp control circuit wire open
  • MIL control circuit short circuit
  • Malfunction of the ECU output stage (lamp control)
  • Malfunction of the instrument panel control unit

How to Fix

  1. Check the MIL lamp when the ignition is turned on (should remain on for 3-5 seconds during self-test)
  2. Replace a burnt out lamp in the dashboard
  3. Check the control wire from the ECU to the dashboard
  4. Measure the voltage at the ECU control output when attempting to turn on the MIL
  5. Check the dashboard fuses
  6. If the ECU output malfunctions, repair or replace the unit

Related codes

P0600P0601P0602P0604P0644

Error P0650 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P0650 code mean?

P0650 is an OBD-II diagnostic trouble code that indicates: MIL Control Circuit/Open

What causes a P0650 error code?

The most common causes of P0650 include: Burnt out MIL lamp in dashboard; MIL lamp control circuit wire open; MIL control circuit short circuit; Malfunction of the ECU output stage (lamp control).

How do I fix a P0650 diagnostic trouble code?

To fix P0650: Check the MIL lamp when the ignition is turned on (should remain on for 3-5 seconds during self-test). Replace a burnt out lamp in the dashboard. Check the control wire from the ECU to the dashboard. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0650?

Yes, but get it checked soon

How much does it cost to fix P0650?

The estimated repair cost for P0650 is $2–222. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat