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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 B110: Outside Air Temp Sensor Circuit >> Note On Intermittents

Note On Intermittents

A Code B110 will be stored in memory whenever the ambient temperature drops to less than -29°F (-34°C). This code should be ignored if this cause is suspected. If intermittent Code B110 is being set, manipulate related wiring while observing BCM parameter BD26. If failure is induced, reading will jump from its normal value to a reading outside range of -34°C to 87°C. If value displayed by BD26 is not reasonably close to actual temperature of air at sensor, check for poor terminal connections or replace sensor.

Fig 1: BCM Code B110 Circuit Diagram
G90I12854
Fig 2: BCM Code B110 Flow Chart
G90G05454