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HOMESERVICE MANUALSCHEVROLET2001CAVALIER LS, 2.4 TREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 199 (BODY CONTROL SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC B1382TEST DESCRIPTION
2001 Chevrolet Cavalier LS, 2.4 T

Test Description

2001 Chevrolet Cavalier LS, 2.4 TSECTION Test Description
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.

The numbers listed below refer to the numbers on the diagnostic table.

  1. 4:  This step determines if the accessory input is shorted to ground.
  2. 5:  This step determines if the BCM is internally shorted.
  3. 6:  This step determines if voltage is supplied from the battery to the BCM fuse.
DTC B1382

Step Action Yes No
Connector End View Reference: Master Electrical Component List in Wiring Systems
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 the scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. With the scan tool, observe the ACCESSORY input parameter in the BCM data list.
Does the scan tool display ON?		 Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems Go to Step 3 
3 Inspect the BCM fuse.
Is the fuse open?		 Go to Step 4  Go to Step 6 
4 
  1. Connect a test lamp between the BCM fuse terminals at the instrument panel (I/P) fuse block.
  2. Turn ON the ignition, with the engine OFF.
Does the test lamp illuminate?		 Go to Step 5  Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
5 
  1. Turn OFF the ignition.
  2. Disconnect the BCM connector C2.
  3. Turn ON the ignition, with the engine OFF.
Does the test lamp still illuminate?		 Go to Step 8  Go to Step 10 
6 
  1. Remove the BCM fuse.
  2. Turn ON the ignition, with the engine OFF.
  3. Probe both fuse terminals for the accessory circuit at the I/P fuse block with a test lamp connected to ground.
Does the test lamp illuminate for one of the terminals?		 Go to Step 7  Go to Step 9 
7 Test the accessory input circuit for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 12  Go to Step 10 
8 Repair the short to ground in the accessory input circuit. Refer to Wiring Repairs in Wiring Systems.
Did you complete the action?		 Go to Step 12  -
9 Repair the open in the ignition feed circuit to the BCM fuse. Refer to Wiring Repairs in Wiring Systems.
Did you complete the action?		 Go to Step 12  -
10 Inspect for poor connections at the harness connector of the BCM. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 12  Go to Step 11 
11
IMPORTANT: Perform the setup procedure for the body control module. Refer to Body Control Module (BCM) Programming/RPO Configuration .
Replace the body control module. Refer to Body Control Module Replacement .Did you complete the replacement?		 Go to Step 12  -
12
  1. Use the scan tool in order to clear the DTCs.
  2. Operate the vehicle within the Conditions for Running the DTC as specified in the supporting text.
Does the DTC reset?		 Go to Step 2  -
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.