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Code

P0826

Transmission

Up-shift / down-shift switch circuit malfunction

The manual shift switch circuit has a fault.

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Most likely causes

Faulty paddle/switch
Wiring fault
Clock spring issue

Symptoms you may notice

Paddle shifters do nothing
Wrong gear requests

Checks to run

Test the switch signals
Inspect the clock spring
Check wiring

Tools you may need

Multimeter

Always diagnose before replacing. Codes share symptoms; confirm the cause with measurements before buying parts.

Related codes in Transmission

Transmission control system malfunction

Transmission range sensor (PRNDL) circuit malfunction

Output shaft speed sensor circuit malfunction

Incorrect gear ratio

Torque converter clutch circuit stuck off

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