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Home >> Buick >> 1989 >> Reatta >> Repair and Diagnosis >> External Pages >> Different car >> Section 18 (Anti-Lock Brake System) >> Functional Check >> Chart A14 "Pressure Reduction" Fault >> Code 54 and/or 74
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Code 54 and/or 74

WARNING: This page is about a different car, the 1988 Buick Riviera and 1988 Buick Reatta. However, it is still accessible from the selected car via links, so may be relevant.

Go to Chart A12 If no trouble is found while performing tests on Chart A12, do not go to chart F Instead go to Chart G Solenoid Valves. Perform solenoid valve test for rear valves. If no trouble is found, replace ECBM.

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