OBD Guide

P07D1

Transmission Mode Switch E Circuit

P07D1 is an OBD-II diagnostic trouble code meaning: Transmission Mode Switch E Circuit. Common causes: open or short circuit in the circuit, oxidation of switch contacts. 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 comes on
  • The gearbox goes into emergency mode
  • Transmission modes do not switch
  • Reduced vehicle dynamics

Causes

  • Open or short circuit in the circuit
  • Oxidation of switch contacts
  • Mode switch malfunction
  • Problems with the transmission control unit
  • Wiring harness damage

How to Fix

  1. Check wiring integrity
  2. Clean switch contacts
  3. Test the switch with a multimeter
  4. Replace switch if necessary
  5. Check connections to the control unit

Related codes

Error P07D1 by Vehicle Brand

FAQ

What does the P07D1 code mean?

P07D1 is an OBD-II diagnostic trouble code that indicates: Transmission Mode Switch E Circuit

What causes a P07D1 error code?

The most common causes of P07D1 include: Open or short circuit in the circuit; Oxidation of switch contacts; Mode switch malfunction; Problems with the transmission control unit.

How do I fix a P07D1 diagnostic trouble code?

To fix P07D1: Check wiring integrity. Clean switch contacts. Test the switch with a multimeter. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P07D1?

Limited driving only, diagnose soon

How much does it cost to fix P07D1?

The estimated repair cost for P07D1 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat