2003 Chevrolet SSR BaseFACTORY OEM SERVICE PROCEDURE

Charging DTCS

CHARGING DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description
DTC B1327 BATTERY/SOURCE VOLTAGE LOW
DTC P0562 LOW SYSTEM VOLTAGE
DTC P0563 HIGH SYSTEM VOLTAGE
DTC P0622 OUT OF RANGE DUTY CYCLE SIGNAL
DTC P1637 HIGH OR LOW GENERATOR TURN ON SIGNAL
Factory Service Tools

Use the Manual With the Right Hardware

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

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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.

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