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2005 RAM 3500
5.9L I6 Cummins•4WD•diesel•ISB•turbo
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Repairs0Labor523Torque138Fluid11DTC1684Battery1Maintenance0Recalls0
C1288high severityChassis

Lateral Acceleration Sensor Signal

on 2005 Ram 3500 5.9L I6 Cummins · 4WD

What this code means

The lateral acceleration sensor signal is implausible or out of range. This prevents the stability system from measuring sideways vehicle motion.

Symptoms

  • ESP warning light on
  • Stability control disabled
  • Erratic stability behavior

Common causes

  • Faulty lateral acceleration sensor
  • Sensor wiring fault
  • Poor mounting or connector
  • Faulty ABS/ESP module

Diagnostic steps

  1. View lateral sensor live data
  2. Check sensor mounting
  3. Inspect wiring and connector
  4. Replace sensor if out of spec
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