P1721
By (Contact Me)
Last Updated 2017-01-17
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| Trouble Code | Fault Location | Probable Cause |
|---|---|---|
| P1721 | Gear 1 Incorrect Ratio (FORD) Control Relay (HYUNDAI) Vehicle Speed Sensor MTR (INFINITI, NISSAN) |
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Other Manufacturer Specific Definitions for P1721
Gear 1 Incorrect Ratio (Ford)Throttle position (TP) control circuit – malfunction (BMW)
Control Relay (Hyundai)
Vehicle Speed Sensor MTR (Infiniti)
Shift solenoid (SS) 1 – malfunction (Mazda)
Vehicle Speed Sensor MTR (Nissan)
Module cooling fan – signal high (Volvo)
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