Retained Accessory Power DTCS

2003 Chevrolet S10 Pickup 2D Pickup, 2.2 H, AutomaticSECTION Retained Accessory Power DTCS
RETAINED ACCESSORY POWER DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description
DTC B1477 or B1478 (with relay) RAP Relay Control Circuit Voltage
RENDER: 1.0x

NO RELATED

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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.