P07D3

Transmission Mode Switch E Circuit High

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

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

Related codes

P07D0 P07D1 P07D2