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Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 56 (Tire Pressure Monitoring System) >> Diagnostic Information and Procedures >> Diagnostic Starting Point - Tire Pressure Monitoring >> System Diagnosis

System Diagnosis

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

After incorrect system operation has been verified and that aftermarket devices, or tire sealants are not the cause, begin the system diagnosis with the diagnostic system check. The diagnostic system check will provide the following information:

  1. The identification of the control modules that control the TPM system.
  2. The ability of those control modules to communicate via the serial data circuit.
  3. The presence of any stored diagnostic trouble codes (DTCs) in those control modules and there status.

The use of the diagnostic system check will identify the correct procedure for diagnosing the system and where the procedure is located. Refer to Diagnostic System Check - Vehicle .

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