OBD Guide
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P071E

Transmission Mode Switch B Circuit Low

P071E is an OBD-II diagnostic trouble code meaning: Transmission Mode Switch B Circuit Low. Common causes: transmission mode switch b malfunction, open or short circuit in the circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine Light Is On
  • The gearbox goes into emergency mode
  • Limited choice of transmission modes
  • Gear shifting problems
  • Reduced vehicle dynamics

Causes

  • Transmission Mode Switch B Malfunction
  • Open or short circuit in the circuit
  • Poor contact in connectors
  • Problems with the transmission control unit
  • Switch contact corrosion

How to Fix

  1. Check the condition of the transmission mode switch B
  2. Inspect the wiring harness for damage
  3. Check contacts in connectors
  4. Test circuit resistance
  5. Replace switch if necessary

Related codes

P071FP071DP0715

Error P071E by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P071E code mean?

P071E is an OBD-II diagnostic trouble code that indicates: Transmission Mode Switch B Circuit Low

What causes a P071E error code?

The most common causes of P071E include: Transmission Mode Switch B Malfunction; Open or short circuit in the circuit; Poor contact in connectors; Problems with the transmission control unit.

How do I fix a P071E diagnostic trouble code?

To fix P071E: Check the condition of the transmission mode switch B. Inspect the wiring harness for damage. Check contacts in connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P071E?

Limited driving only, diagnose soon

How much does it cost to fix P071E?

The estimated repair cost for P071E is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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