LEMON Manuals
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Dodge and Ram
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1987
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Pickup D150, 5.2 2
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Repair and Diagnosis
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Engine Performance
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System
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3.7L/3.9/5.2L EFC System
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Testing & Diagnosis
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Fault Codes
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Code 12
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Code 12
Problem in transmission unlock relay.
NOTE:
Ignore this code on manual transmission models.