KlaroP0804
MODERATE1-4 Upshift (Skip Shift) Lamp Control Circuit Malfunction
What this code means
1-4 Upshift (Skip Shift) Lamp Control Circuit Malfunction. A continuation of the previous family: transmission controls, solenoids and sensors. Diagnosis nearly always requires the manufacturer's documentation.
How to read this code
- PPowertrain
- 0standardised code
- 8Transmission (continued)
- 04P0804
The letter P names the system: Powertrain. The digit 0 that follows marks a standardised code, shared by all manufacturers code. The next digit, 8, locates the fault: transmission (continued).
What to do
Have it checked this week. The car remains usable, but the fault will not clear itself and will fail the roadworthiness test.
Clearing a code switches the light off but repairs nothing: if the fault remains, the code comes back.
Nearby codes
- P0801Reverse Inhibit Control Circuit Malfunction
- P08031-4 Upshift (Skip Shift) Solenoid Control Circuit Malfunction
- P0805Clutch Position Sensor Circuit Malfunction
- P0806Clutch Position Sensor Circuit Range/Performance Malfunction
- P0807Clutch Position Sensor Circuit Low Malfunction
- P0808Clutch Position Sensor Circuit High Malfunction
- P0809Clutch Position Sensor Circuit Intermittent Malfunction