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Home >> Cadillac >> 1990 >> Seville Base, 440T4/ME9 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> BCM Trouble Code Charts >> BCM Code B111: A/C High Side Temp Sensor Circuit >> Note On Intermittents

Note On Intermittents

If intermittent Code B111 is being set, manipulate related wiring while observing BCM parameter BD27. If failure is induced, reading will jump from its normal value to a reading outside range of -34°C to 209°C. If value of sensor displayed by BD27 is not reasonably close to pressure gauge reading, check for poor terminal connections or replace sensor.

Fig 1: BCM Code B111 Circuit Diagram
G90I12854
Fig 2: BCM Code B111 Flow Chart
G90A09265