OBD Guide
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P06F4

Stop-Start Mode Lamp Control Circuit

P06F4 is an OBD-II diagnostic trouble code meaning: Stop-Start Mode Lamp Control Circuit. Common causes: open or short circuit in indicator circuit wire, faulty lamp or instrument panel led cluster. Estimated repair cost: $11–167.

Severity
✅ Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$11–167 (est.)

Symptoms

  • Check Engine light on
  • The start-stop mode indicator does not light up or lights up constantly
  • The status of the start-stop system is unknown
  • Possible incorrect behavior of the start-stop system
  • Other lights on the instrument panel may flicker or behave abnormally

Causes

  • Open or short circuit in indicator circuit wire
  • Faulty lamp or instrument panel LED cluster
  • Oxidation of the connector in the control circuit
  • Internal fault of the ECU or start-stop module
  • Lost communication between the start-stop module and the instrument panel

How to Fix

  1. Check the operation of the start-stop indicator when starting (should light up during self-test)
  2. Check the control signal voltage at the indicator input
  3. Inspect the wiring and connector of the lamp control circuit
  4. Check for communication errors between the instrument panel and the computer
  5. Replace lamp or fuse if necessary
  6. If the wiring is correct, diagnose the start-stop control module

Related codes

P06EFP06E4U0073U0100P0615

Error P06F4 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P06F4 code mean?

P06F4 is an OBD-II diagnostic trouble code that indicates: Stop-Start Mode Lamp Control Circuit

What causes a P06F4 error code?

The most common causes of P06F4 include: Open or short circuit in indicator circuit wire; Faulty lamp or instrument panel LED cluster; Oxidation of the connector in the control circuit; Internal fault of the ECU or start-stop module.

How do I fix a P06F4 diagnostic trouble code?

To fix P06F4: Check the operation of the start-stop indicator when starting (should light up during self-test). Check the control signal voltage at the indicator input. Inspect the wiring and connector of the lamp control circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P06F4?

Yes, but get it checked soon

How much does it cost to fix P06F4?

The estimated repair cost for P06F4 is $11–167. Actual cost depends on your vehicle, location, and labor rates.

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