What P0720 means
Output Speed Sensor Circuit Malfunction
Common causes (general)
Before spending money on parts, verify the code with a scan tool and read freeze frame data. Freeze frame captures every sensor value at the moment the code set — this is often enough to figure out the root cause without further testing.
Manufacturer-specific descriptions
Different manufacturers use this code for slightly different failure modes. Here's what your specific make means by P0720:
| AUDI | Defective Output Speed Sensor, Defective Shift Solenoids, Defective Engine Coolant Temperature Sensor, Defective Valve Body, Dirty transmission fluid that restricts the hydraulic passages, Defective Output Speed Sensor wiring or connector |
| BMW | Output Speed Sensor Circuit |
| FORD | Output Shaft Speed Sensor Circuit Malfunction |
| HONDA | Countershaft Speed Sensor Circuit Malfunction |
| MITSUBISHI | Output Speed Sensor Circuit Malfunction; Output shaft speed sensor |
| NISSAN | Output Speed Sensor Circuit Malfunction |
| VOLKSWAGEN | Output Speed Sensor Circuit Malfunction |
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