P0828

Up and Down Shift Switch Circuit High

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Inability to change gears manually
Spontaneous gear shifting
Check Engine Light Is On
The gearbox goes into emergency mode
Lack of response to steering wheel paddle shifters

Causes

Short circuit to positive in the switch circuit
Up/Down Switch Malfunction
Wiring harness damage
Problems with contacts in connectors
Transmission ECU malfunction

How to Fix

Check the integrity of wiring and connectors
Check switch resistance
Check for short circuit to positive
Replace switch if necessary
Check and, if necessary, replace the transmission control unit

Related codes

P0826 P0827 P0829