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Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 42 (Seat Heating System And Seat Cooling System) >> Diagnostic Information and Procedures >> DTC B1AA2, B1AA3, or B272B >> Conditions for Setting the DTC

Conditions for Setting the DTC

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.
B1AA2

The CCSM detects the passenger seat cushion temperature sensor voltage is greater than 4.73 volts or 242 counts for more than 4 seconds.

B1AA3

The CCSM detects the passenger seat back temperature sensor voltage is greater than 4.73 volts or 242 counts for more than 4 seconds.

B272B

  • The CCSM detects an open in the seat cushion blower speed control circuit.
  • The CCSM detects the passenger seat back temperature sensor voltage is less than 0.5 volts or 20 counts for more than 4 seconds.

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