DTC Troubleshooting: Notes

2007 Honda Ridgeline RTSSECTION Notes
DTC INDEX

DTC Description
DTC 21  1, 21-2, 22-1, 22-2: Front Wheel Sensors
DTC 23  1, 23-2, 24-1, 24-2: Rear Wheel Sensors
DTC 26  1: VSA Modulator Control Unit or Wire Harness
DTC 37  1, 38-1: Engine RPM Signal Circuit
DTC 41  1,41-2: CAN Communication (PCM/VSA System)
DTC 42  1, 42-2, 43-1: Differential Oil Temperature Sensor
DTC 44  1: VTM-4 Relay
DTC 51  1, 52-1, 53-1, 53-2, 54-1: Left Clutch Electromagnetic Coil
DTC 53  2, 55-1, 56-1, 57-1, 58-1: Right Clutch Electromagnetic Coil
DTC 59  1: Right/Left Clutch Electromagnetic Coil Power Supply
DTC 73  1: MAP (Manifold Absolute Pressure) Sensor, or PCM
DTC 76  1: Rear Differential Clutch Warning System
DTC 77  1: PCM
DTC 78  1: VTM-4 Control Unit
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.