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Home >> Cadillac >> 1990 >> Seville Base, 4T60/ME9 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> BCM Trouble Code Charts >> BCM Code B336: Loss Of IPC Data >> Note On Intermittents
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Note On Intermittents

Ensure good terminal contact at IPC for data line, power and ground connections. Also, watch for intermittent at transition block and in the flex circuit portion of the IPC carrier assembly. If wiring is good and intermittents continue, replace IPC.

Fig 1: BCM Code B336 Circuit Diagram
G90D21710
Fig 2: BCM Code B336 Flow Chart
G90H09283