OBD Guide
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P0658

Actuator Supply Voltage A Circuit Low

P0658 is an OBD-II diagnostic trouble code meaning: Actuator Supply Voltage A Circuit Low. Common causes: voltage drop in the on-board network (weak battery or generator), oxidation of relay contacts or power connectors of circuit a. Estimated repair cost: $6–78.

Severity
🔴 High
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$6–78 (est.)

Symptoms

  • Check Engine light comes on
  • Unstable operation of actuators (solenoids, valves)
  • Short-term malfunctions in engine systems
  • Other actuator fault codes
  • Dips or jerks when driving due to unstable operation of the solenoids

Causes

  • Voltage drop in the on-board network (weak battery or generator)
  • Oxidation of relay contacts or power connectors of circuit A
  • High resistance of power wire (partial break)
  • Overload of the power circuit by several consumers
  • Malfunction of the actuator power relay

How to Fix

  1. Check battery voltage and alternator charging
  2. Check the fuse and relay of the actuator power supply circuit A
  3. Measure the supply voltage of circuit A with the engine running and no load.
  4. Inspect and clean relay connectors and power connections
  5. Check the condition of the power cord for resistance
  6. If necessary, restore contacts or replace wiring

Related codes

P0657P0659P0562P0641P0651

Error P0658 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P0658 code mean?

P0658 is an OBD-II diagnostic trouble code that indicates: Actuator Supply Voltage A Circuit Low

What causes a P0658 error code?

The most common causes of P0658 include: Voltage drop in the on-board network (weak battery or generator); Oxidation of relay contacts or power connectors of circuit A; High resistance of power wire (partial break); Overload of the power circuit by several consumers.

How do I fix a P0658 diagnostic trouble code?

To fix P0658: Check battery voltage and alternator charging. Check the fuse and relay of the actuator power supply circuit A. Measure the supply voltage of circuit A with the engine running and no load.. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0658?

Yes, but get it checked soon

How much does it cost to fix P0658?

The estimated repair cost for P0658 is $6–78. Actual cost depends on your vehicle, location, and labor rates.

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