OBD-II · Engine and powertrain (P)
P1602
Manufacturer-specific code
Meaning by manufacturer
This code means different things on different makes. Find yours below.
Volkswagen, Audi, Seat, Skoda, Cupra
Power supply (terminal 30) low voltage
The engine computer saw low battery voltage at some point. It is usually a record of a weak battery or a jump start, not a computer fault.
Likely causes, most likely first
- 01Battery recently disconnected or discharged
- 02Weak battery causing voltage drop during cranking
- 03Loose or corroded battery terminals, earth straps or ECM supply wiring
- 04Charging-system fault
Severity: Low: fix when convenient · Easy DIY job