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Home >> Cadillac >> 1989 >> Seville Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> DFI BCM Tests W/Codes >> Multiple Intermittent Codes >> Code B337 - Loss Of A/C-Heater Programmer Data >> Notes On Intermittents

Notes On Intermittents

If B337 shows as a history code, without other data codes, check ignition feed, CPS ground, and data circuits for intermittent faults. If other data codes are stored, refer to MULTIPLE INTERMITTENT CODES  in this article.

Fig 1: Flow Chart, BCM Code B337, Loss Of A/C-Heat Program Data
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