DTC Troubleshooting Index
WARNING: This page is about a different car, the 2009 Acura MDX, 2008 Acura MDX, and 2007 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
DTC TROUBLESHOOTING CHART
| DTC(1) | SH-AWD Indicator Light | Detection Item | ||
|---|---|---|---|---|
| 12-1 | ON | Lateral Acceleration Sensor Malfunction | ||
| 12-2 | ON | Lateral Acceleration Sensor Malfunction | ||
| 12-3 | ON | Lateral Acceleration Sensor Malfunction | ||
| 15-1 | ON | Longitudinal Acceleration Sensor Malfunction | ||
| 16-3 | ON | Steering Angle Sensor Neutral Position Incorrect | ||
| 33-2 | ON | Yaw Rate Sensor Malfunction | ||
| 33-3 | ON | Yaw Rate Sensor Malfunction | ||
| 41-1 | ON | Lost of Communication with Power Control Module (PCM) | ||
| 41-2 | ON | Lost of Communication with VSA | ||
| 41-4 | ON | Lost of Communication with A/T Control Unit | ||
| 41-5 | ON | Lost of Communication with Yaw Rate-Lateral/Longitudinal Acceleration Sensor | ||
| 41-6 | ON | Lost of Communication with Steering Angle Sensor | ||
| 42-1 | ON | Differential Fluid Temperature Sensor (Short to power) | ||
| 42-2 | ON | Differential Fluid Temperature Sensor (Open/GND Short) | ||
| 43-1 | ON | Differential Fluid Temperature Sensor Circuit Malfunction | ||
| 44-11 | ON | SH-AWD Control Unit | ||
| 44-12 | ON | SH-AWD Relay Stuck ON | ||
| 44-32 | ON | SH-AWD Control Unit Power Supply Stuck ON | ||
| 44-41 | ON | SH-AWD Control Unit Power Supply Stuck OFF | ||
| 44-50 | ON | SH-AWD Control Unit Power Supply Stuck Voltage Low | ||
| 49-1 | ON | SH-AWD Control Unit (PG Line Open) | ||
| 52-3 | ON | Left Clutch Electromagnetic Coil Current Malfunction | ||
| 53-1 | ON | Left Clutch Electromagnetic Coil Malfunction | ||
| 53-2 | ON | Left Clutch Electromagnetic Coil (Short) | ||
| 53-3 | ON | Left Clutch Electromagnetic Coil Malfunction | ||
| 56-3 | ON | Right Clutch Electromagnetic Coil Current Malfunction | ||
| 57-1 | ON | Right Clutch Electromagnetic Coil Malfunction | ||
| 57-2 | ON | Right Clutch Electromagnetic Coil (Short) | ||
| 57-3 | ON | Right Clutch Electromagnetic Coil Malfunction | ||
| 76-1 | ON | Rear Differential Fluid Overheats | ||
| 77-1 | ON | Communication Error with the Power Control Module (PCM) | ||
| 77-2 | ON | Communication Error with the VSA Modulator-Control Unit | ||
| 77-4 | ON | Communication Error with the Automatic-Transmission Control Unit | ||
| 77-5 | ON | Yaw Rate-Lateral/Longitudinal Acceleration Sensor Malfunction | ||
| 77-6 | ON | Steering Angle Sensor Malfunction | ||
| 78-xx | ON | SH-AWD Control Unit Self-Diagnostic Malfunction ("x" can be 0 thru 9 or A thru F) | ||
| 81-1 | ON | Left Search Coil Sensor Malfunction | ||
| 82-1 | ON | Right Search Coil Sensor Malfunction | ||
| 91-1 | ON | SH-AWD Control Unit Programming Error | ||
|
NOTE:
The "x" at the end of each DTC denotes a numeric character (0 thru 9) or an alpha character (A thru F) that you will see on the HDS display. The character is unrelated to your troubleshooting; it designates the SH-AWD control unit manufacturer and other details used for product analysis.
|
||||
|
||||