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HOMESERVICE MANUALSCHEVROLET2001CAVALIER LS, 2.4 TREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 199 (BODY CONTROL SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC B1004DIAGNOSTIC AIDS
2001 Chevrolet Cavalier LS, 2.4 T

Diagnostic Aids

2001 Chevrolet Cavalier LS, 2.4 TSECTION Diagnostic Aids
WARNING: This page is about a different car, the 2004 Pontiac Sunfire and 2004 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
  • DTC B1004 may be stored as a history DTC without affecting the operation of the module. If stored only as a history DTC and not retrieved as a current DTC, do not replace the module.
  • DTC B1004 is retrieved as both a current and history DTC, replace the control module.
DTC B1004

Step Action Yes No
1 Did you perform the Diagnostic System Check for the system exhibiting the symptom? Go to Step 2  Go to Control Module References  for the applicable Diagnostic System Check
2
  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. Retrieve DTCs with the scan tool.
Is DTC B1004 retrieved as a current DTC?		 Go to Step 3  Go to Diagnostic Aids
3
IMPORTANT: Perform the programming or setup procedure for the module, if required.
Replace the control module setting DTC B1004 as current. Refer to Control Module References .Did you complete the replacement?		 Go to Step 4  -
4
  1. Clear the DTCs with the scan tool.
  2. Operate the vehicle within the Conditions for Running the DTC.
Does DTC B1004 reset?		 Go to Step 2  System OK
RENDER: 1.0x

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When to See a Mechanic

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

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