p1633

[ladenblowfish]

Hey guys, my LS is throughing a CEL and giving me a code p1633. Manufac. Control. What does this code mean. Thanks.

 

[BlueLS]

It means "keep alive voltage is too low".

Check your battery to make sure its good (has it died/been replaced recently?)
Check you battery cables
Check all of your fuses
Check for shorts or lose wires