BCM Code F51 - BCM Prom Error Indicator

BCM sets Code F51, indicating that PROM is not being read properly by BCM. While PROM error condition is present, a "-151" will be displayed on ECC panel, and diagnostics cannot be entered. If problem becomes intermittent, BCM Code F51 will be displayed during the first pass of BCM codes. A PCM Code E47 may also be stored as an intermittent after problem is corrected, since data is not sent to PCM while a PROM error condition exists.

PROM installed backwards or installed with bent pins may cause this code to set. Verify if PROM is installed properly. If PROM appears to be installed properly, turn ignition off for 10 seconds. Turn ignition back on. If "-151" is still displayed, replace PROM. Recheck message again. Turn ignition off for 10 seconds. Turn ignition back on. If "-151" is still displayed after replacing PROM, replace BCM.