What does code P1720 mean?

Q: What does code P1720 mean?

Vehicle Speed Meter Circuit. P1720 on a Jaguar means the vehicle speed signal circuit has failed, so the instrument cluster or a control module is not receiving the expected pulses from the speed sensor. The computer detects this when the ignition is on and it sees no valid speed input while other modules report the car is moving, or the signal is out of range.

DTC codes / Jaguar codes / P1720

P1720 · JaguarVehicle Speed Meter Circuit

P1720 on a Jaguar means the vehicle speed signal circuit has failed, so the instrument cluster or a control module is not receiving the expected pulses from the speed sensor. The computer detects this when the ignition is on and it sees no valid speed input while other modules report the car is moving, or the signal is out of range.

SystemPowertrain

Code typeJaguar specific

SeverityMedium

Fix difficultyIntermediate

AreaTransmission

Guidance is general and written for Jaguar vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.