Speed Sensor Diagnostic Code Identification
WARNING: This page is about a different car, the 2000 Lexus SC 400, 2000 Lexus SC 300, 1999 Lexus SC 400, and 1999 Lexus SC 300. However, it is still accessible from the selected car via links, so may be relevant.
- DTC 71
Right front speed sensor signal voltage is low. Check right front speed sensor, sensor installation, sensor rotor and sensor wiring harness. - DTC 72
Left front speed sensor signal voltage is low. Check left front speed sensor, sensor installation, sensor rotor and sensor wiring harness. - DTC 73
Right rear speed sensor signal voltage is low. Check right rear speed sensor, sensor installation, sensor rotor and sensor wiring harness. - DTC 74
Left rear speed sensor signal voltage is low. Check left rear speed sensor, sensor installation, sensor rotor and sensor wiring harness. - DTC 75
Abnormal signal from right front speed sensor. Check right front sensor rotor and sensor wiring harness. - DTC 76
Abnormal signal from left front speed sensor. Check left front sensor rotor and sensor wiring harness. - DTC 77
Abnormal signal from right rear speed sensor. Check right rear sensor rotor and sensor wiring harness. - DTC 78
Abnormal signal from left rear speed sensor. Check left rear sensor rotor and sensor wiring harness.