P07CD

Transmission Mode Switch C Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–67 (est.)

Symptoms

Incorrect switching of transmission modes
Check Engine Light Is On
The transmission goes into emergency mode
Cannot switch between modes (P, R, N, D)
Floating engine speed when switching

Causes

Short circuit in power switch circuit
Transmission mode switch malfunction
Wiring harness damage
Poor contact in connectors
Transmission control module malfunction

How to Fix

Check the integrity of the switch wiring harness
Check the voltage and resistance in the switch circuit
Inspect and clean connector contacts
Check the operation of the mode switch
If necessary, replace the switch or repair the wiring

Related codes

P07CC P07CE P07CF