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2007 DODGE VIPER
8.3L V10•RWD•MANUAL•gas
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Repairs0Labor485Torque3343Fluid8DTC1840Battery1Maintenance0Recalls0
P0826moderate severityPowertrain

Up and Down Shift Switch Circuit

on 2007 Dodge Viper 8.3L V10 · RWD

What this code means

The transmission control module detected a fault in the manual up/down shift switch circuit. This affects manual gear selection using paddle or shifter switches.

Symptoms

  • Manual shift mode not responding
  • Transmission warning light on
  • Unable to shift up or down manually

Common causes

  • Faulty up/down shift switch
  • Damaged or corroded wiring
  • Poor connector contact
  • Faulty transmission control module

Diagnostic steps

  1. Scan for codes and check freeze frame data
  2. Test up/down switch inputs with scan tool
  3. Inspect switch wiring and connectors
  4. Replace switch or repair wiring as needed
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