DTC Troubleshooting Index
WARNING: This page is about a different car, the 2006 Acura MDX, 2005 Acura MDX, 2004 Acura MDX, and 2003 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
DTC TROUBLESHOOTING INDEX
| DTC (1) | VTM-4 Indicator Light | Detection Item | |||
|---|---|---|---|---|---|
| 21-1 | ON | Left-front wheel sensor |
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| 22-1 | ON | Right-front wheel sensor | |||
| 23-1 | ON | Left-rear wheel sensor | |||
| 24-1 | ON | Right-rear wheel sensor | |||
| 26-1 | ON | VSA modulator control unit or wire harness |
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| 37-1 | ON | Engine RPM signal circuit |
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| 38-1 | ON | ||||
| 41-1 | ON | CAN communication |
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| 42-1 | ON | Differential oil temperature sensor |
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| 43-1 | ON | ||||
| 44-1 | ON | VTM-4 relay |
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| 51-1 | ON | Left clutch electromagnetic coil |
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| 52-1 | ON | Left clutch electromagnetic coil | |||
| 53-1 | ON | Left clutch electromagnetic coil | |||
| 54-1 | ON | Left clutch electromagnetic coil | |||
| 55-1 | ON | Right clutch electromagnetic coil |
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| 56-1 | ON | Right clutch electromagnetic coil | |||
| 57-1 | ON | Right clutch electromagnetic coil | |||
| 58-1 | ON | Right clutch electromagnetic coil | |||
| 59-1 | ON | Right/left clutch electromagnetic coil power supply |
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| 73-1 | ON | MAP (manifold absolute pressure) sensor or PCM | Abnormality in the PCM system/MAP (manifold absolute pressure) sensor is defective | ||
| 76-1 | ON | Rear differential clutch warning system |
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| 77-1 | ON | PCM | PCM is defective | ||
| 78-1 | ON | VTM-4 control unit | VTM-4 control unit is defective | ||
| 41-1 | ON | CAN communication | Open or short in the wire harness from VTM-4 control unit to PCM (or VSA, NAVI) | ||
| 42-2 | ON | Differential oil temperature sensor |
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| 21-2 | ON | Left-front wheel sensor |
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| 22-2 | ON | Right-front wheel sensor | |||
| 23-2 | ON | Left-rear wheel sensor | |||
| 24-2 | ON | Right-rear wheel sensor | |||
| 53-2 | ON | Left or Right clutch electromagnetic coil |
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