Possible causes

– Faulty Up and Down Shift Switch
– Up and Down Shift Switch harness is open or shorted
– Up and Down Shift Switch circuit poor electrical connection

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)

P0826 Information for specific makes

P0826 DODGE
P0826 NISSAN
P0826 INFINITI
P0826 SUZUKI
P0826 MITSUBISHI
P0826 MAZDA