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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1504 (Supplemental Inflatable Restraint System) >> Diagnostic Information and Procedures >> DTC B0064, B0065, or B0066 >> Test Description

Test Description

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

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

  1. 4:  Tests to see if the malfunction is caused by the seat belt pretensioner - LF.
  2. 7:  Tests to see what DTCs are present. If DTC B0064 is present, test for a short between the seat belt pretensioner - LF high and low circuits. If DTC B0065 is present, test the seat belt pretensioner - LF high and low circuits for an open and for high resistance. If DTC B0066 is present, test the seat belt pretensioner - LF high and low circuits for a short to ground and for a short to voltage.
DTC B0064, B0065, or B0066

Step Action Yes No
Connector End View Reference: SIR Connector End Views 
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle
2
  1. Turn OFF the ignition.
  2. Disconnect the seat belt pretensioner - LF wiring harness inline connector. Refer to Seat Belt Retractor Pretensioner Replacement - Front .
  3. Inspect the component and harness sides of the inline connector for the seat belt pretensioner for damage or corrosion that may cause the malfunction. Refer to Testing for Intermittent Conditions and Poor Connections andConnector Repairs .
Does the connector exhibit any signs of damage or corrosion?		 Go to Step 3  Go to Step 4 
3
  1. If the inline connector for the seat belt pretensioner - LF wiring harness is damaged, the seat belt pretensioner wiring harness must be replaced. Refer to Seat Belt Retractor Pretensioner Replacement - Front .
  2. If the wiring harness side of the seat belt pretensioner connector is damaged, replace the harness side of the connector. Refer to Connector Repairs .
Did you complete the repair?		 Go to Step 11  -
4 
  1. Use SA9409Z-99P Adapter to connect the SA9409Z-A  SIR Driver/Passenger Load Tool to the harness side of the seat belt pretensioner - LF connector. See Special Tools . Use the PASSENGER INFLATOR connectors.
  2. Turn ON the ignition, with the engine OFF.
  3. With the scan tool, request the SIR DTC display.
Does the scan tool indicate that DTC B0064, B0065, or B0066 are current?		 Go to Step 6  Go to Step 5 
5
  1. Turn OFF the ignition.
  2. Disconnect and remove both the SA9409Z-A  and adapter. See Special Tools .
  3. Connect the seat belt pretensioner - LF wiring harness inline connector.
  4. Remove the seat belt pretensioner - LF connector. Refer to Seat Belt Retractor Pretensioner Replacement - Front .
  5. Use J 38715-30A Adapter to connect the SA9409Z-A  to the seat belt pretensioner - LF connector. See Special Tools . Use the PASSENGER INFLATOR connector.
  6. Turn ON the ignition, with the engine OFF.
  7. With the scan tool, request the SIR DTC display.
Does the scan tool indicate that DTC B0064, B0065, or B0066 are current?		 Go to Step 9  Go to Step 8 
6
  1. Turn OFF the ignition.
  2. Disconnect and remove both the SA9409Z-A  and adapter. See Special Tools .
  3. Disconnect the inflatable restraint sensing and diagnostic module (SDM) connector. Refer to Control Module References for replacement, setup, and programming.
  4. Inspect the SDM connector for damage or corrosion that may cause a malfunction in the seat belt pretensioner - LF high and/or low circuits. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?		 Go to Step 11  Go to Step 7 
7 
IMPORTANT: If the scan tool displays multiple codes, diagnose the open code first.
  1. If DTC B0064 is present, test for a short between the seat belt pretensioner - LF high and low circuits.
  2. If DTC B0065 is present, test the seat belt pretensioner - LF high and low circuits for an open and for high resistance.
  3. If DTC B0066 is present, test the seat belt pretensioner - LF high and low circuits for a short to ground and for a short to voltage.
  4. All the above conditions refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?		 Go to Step 11  Go to Step 10 
8
  1. Turn OFF the ignition.
  2. Replace the seat belt pretensioner - LF. Refer to Seat Belt Retractor Pretensioner Replacement - Front .
Did you complete the replacement?		 Go to Step 11  -
9
  1. Turn OFF the ignition.
  2. Replace the seat belt pretensioner - LF wiring harness.
Did you complete the replacement?		 Go to Step 11  -
10
  1. Turn OFF the ignition.
  2. Replace the SDM. Refer to Control Module References for replacement, setup, and programming.
Did you complete the replacement?		 Go to Step 11  -
11
  1. Connect all SIR components.
  2. Turn ON the ignition, with the engine OFF.
  3. Use the scan tool in order to clear the DTCs.
  4. Operate the vehicle within the Conditions for Running the DTC as specified in the supporting text.
Does the DTC reset?		 Go to Step 2  System OK
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