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Diagnostic Aids

WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

When DTC B0053 is accompanied by additional DTC(s), other than B0051, repair the malfunction causing the other DTC(s) before replacing SDM.

DTC B0053

Step Action Yes No
1 Did you perform the Diagnostic System Check - SIR? Go to Step 2  Go to Diagnostic System Check - SIR 
2
  1. Turn OFF the ignition.
  2. Inspect the vehicle for any signs of air bag deployment.
Does the vehicle show any signs of air bag deployment?		 Go to Step 5  Go to Step 3 
3 Inspect the vehicle and undercarriage for signs of impact/collision.
Does the vehicle show any signs of impact/collision?		 Go to Step 5  Go to Step 4 
4 Replace the inflatable restraint sensing and diagnostic module (SDM). Refer to Inflatable Restraint Sensing and Diagnostic Module Replacement .
Did you complete the replacement?		 Go to Step 6  -
5 Replace all the components and perform inspections as required following an accident. Refer to Repairs and Inspections Required After a Collision .
Did you complete the appropriate inspections and necessary repairs?		 Go to Step 6  -
6
  1. Reconnect all SIR components.
  2. Verify that all components, connectors, and CPAs are properly mounted.
Did you complete the repair?		 Go to Diagnostic System Check - SIR  -
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