2001 Cadillac Seville SLSFACTORY OEM SERVICE PROCEDURE

Charging DTCS

CHARGING DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description
B1327 Device Power Circuit Low
B1328 Device Power Circuit High
B1513 Charging System Volts Low
B1514 Charging System Volts High
B1982 Device Power Circuit High
B1983 Device Power Circuit Low
P0560 System Voltage
P0562 System Voltage Low
P0563 System Voltage High
P0621 Generator L-Terminal Circuit
P0622 Generator F-Terminal Circuit
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.