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Code 51 - Prom Error Indication

Fig 1: Flow Chart, Code 51 - Prom Error Indication
G201900
Fig 2: Flow Chart, Code 51 - Prom Error Indication
GB0045540

PROM is either installed incorrectly, defective, or has the wrong part number. Check for proper installation and application. If Part number is correct and problem still exists, replace PROM.

WARNING: Any time the PROM is installed backwards and the ignition switch is turned to ON, the PROM will be destroyed.
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