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2010 MERCEDES-BENZ S65 AMG
6.0L V12 BiTurbo M275•RWD•AUTOMATIC•gas•M275•turbo
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Repairs423Labor488Torque3420Fluid8DTC1840Battery2Maintenance0Recalls0
P0819moderate severityPowertrain

Up and Down Shift Switch to Transmission Range Correlation

on 2010 Mercedes-Benz S65 AMG 6.0L V12 BiTurbo M275 · RWD

What this code means

The PCM detected a mismatch between the up/down shift switch signals and the transmission range sensor. This indicates the two inputs do not agree with one another.

Symptoms

  • Erratic shifting
  • Manual mode not working
  • Warning light on

Common causes

  • Faulty shift switches
  • Faulty transmission range sensor
  • Damaged wiring or connector
  • Faulty PCM/TCM

Diagnostic steps

  1. Scan for related codes
  2. Compare switch and range sensor data
  3. Inspect wiring and connectors
  4. Verify sensor calibration
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