OBD Guide
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P07D3

Transmission Mode Switch E Circuit High

P07D3 is an OBD-II diagnostic trouble code meaning: Transmission Mode Switch E Circuit High. Common causes: transmission mode switch malfunction, open or short circuit in the circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Incorrect gear shifting
  • Delays when shifting gears
  • Transmission transition to emergency mode
  • Increased fuel consumption
  • Check Engine Light Illuminates

Causes

  • Transmission mode switch malfunction
  • Open or short circuit in the circuit
  • Wiring Harness Problems
  • Transmission control module (TCM) malfunction
  • Corrosion of contacts or connectors

How to Fix

  1. Check the condition of the transmission mode switch
  2. Check the integrity of the circuit and wiring harness
  3. Check contacts and connectors for corrosion
  4. Diagnose the Transmission Control Module (TCM)
  5. Replace faulty components

Related codes

P07D0P07D1P07D2

Error P07D3 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P07D3 code mean?

P07D3 is an OBD-II diagnostic trouble code that indicates: Transmission Mode Switch E Circuit High

What causes a P07D3 error code?

The most common causes of P07D3 include: Transmission mode switch malfunction; Open or short circuit in the circuit; Wiring Harness Problems; Transmission control module (TCM) malfunction.

How do I fix a P07D3 diagnostic trouble code?

To fix P07D3: Check the condition of the transmission mode switch. Check the integrity of the circuit and wiring harness. Check contacts and connectors for corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P07D3?

Yes, but get it checked soon

How much does it cost to fix P07D3?

The estimated repair cost for P07D3 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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