OBD Guide
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P06E4

Control Module Wake-up Circuit Performance

P06E4 is an OBD-II diagnostic trouble code meaning: Control Module Wake-up Circuit Performance. Common causes: damage to the wiring of the control unit wake-up circuit, malfunction of the control unit that does not exit from standby mode. Estimated repair cost: $22–667.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$22–667 (est.)

Symptoms

  • Check Engine light on
  • Slow response of vehicle systems when the ignition is turned on
  • Increased battery consumption in parking mode
  • Unstable behavior of electronic systems
  • Delays when starting the engine or vehicle systems

Causes

  • Damage to the wiring of the control unit wake-up circuit
  • Malfunction of the control unit that does not exit from standby mode
  • Another module is faulty and is generating an incorrect wake-up signal.
  • Problems with the CAN or LIN bus
  • Low battery leading to incorrect initialization of blocks

How to Fix

  1. Read all error codes - with P06E4, CAN bus errors are often present
  2. Check battery voltage and generator operation
  3. Inspect the connectors and wiring of the control unit that recorded the error
  4. Check for stray current consumption (more than 50 mA in parking mode)
  5. Diagnose the CAN bus for communication errors
  6. If a malfunction is confirmed, contact a specialized service

Related codes

U0001U0100P0606P06E5U0140

Error P06E4 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P06E4 code mean?

P06E4 is an OBD-II diagnostic trouble code that indicates: Control Module Wake-up Circuit Performance

What causes a P06E4 error code?

The most common causes of P06E4 include: Damage to the wiring of the control unit wake-up circuit; Malfunction of the control unit that does not exit from standby mode; Another module is faulty and is generating an incorrect wake-up signal.; Problems with the CAN or LIN bus.

How do I fix a P06E4 diagnostic trouble code?

To fix P06E4: Read all error codes - with P06E4, CAN bus errors are often present. Check battery voltage and generator operation. Inspect the connectors and wiring of the control unit that recorded the error. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P06E4?

Yes, but get it checked soon

How much does it cost to fix P06E4?

The estimated repair cost for P06E4 is $22–667. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat