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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 B19A1, B19A5, or B272A >> 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.
B19A1

The CCSM detects a short to B+ on the passenger seat cushion blower speed control circuit.

B19A5

The CCSM detects a short to ground on the passenger seat cushion blower speed control circuit.

B272A

  • The CCSM detects an open in the seat cushion blower speed control circuit.
  • The CCSM detects an open in the seat cushion blower low reference circuit.
  • The CCSM detects an open in the seat cushion blower supply voltage circuit.
  • The CCSM detects a short to ground on the seat cushion temperature sensor signal circuit for more than 4 seconds.

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