P1633
Keep Alive Power Voltage Too Low
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
~$333 (est.)
Symptoms
- Resetting the radio and clock settings
- Unstable engine operation after starting
- Difficulty starting the engine
- Other fault codes appear
- Flashing warning lights on the dashboard
Causes
- Low or faulty battery
- Problems with the generator
- Open or poor contact in the KAM power circuit
- Battery terminal corrosion
- Engine control unit malfunction
How to Fix
- Check battery and generator voltage
- Inspect and clean battery terminals
- Check the integrity of the wiring to the control unit
- Check the contacts in the control unit connectors
- If necessary, replace the control unit