P0827

Up and Down Shift Switch Circuit Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–78 (est.)

Symptoms

Inoperability of manual gear shift mode
The Check Engine light comes on
The gearbox may go into emergency mode
Inability to manually upshift or downshift
Possible incorrect switching in automatic mode

Causes

Faulty up/down switch
Open or short circuit to ground in the wiring
Oxidation or corrosion of contacts in connectors
Damaged wiring harness
Transmission control module (TCM) or engine control module (ECM) malfunction

How to Fix

Carry out diagnostics with a scanner to check the current switch data
Visual inspection of wiring and connectors for damage and corrosion
Check the resistance and voltage at the switch using a multimeter
If necessary, replace the faulty up/down switch
Clean or replace damaged connectors, restore wiring integrity

Related codes

P0825 P0826 P0828