RAM 1500 Truck 4WD V8-5.7L VIN D (2005)
POSSIBLE CAUSES
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(B20) Brake fluid level sensor sense circuit short to ground
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(B25) Park brake switch sense circuit short to ground
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Brake fluid level sensor
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Park brake switch
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Anti-lock brakes module
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Instrument cluster
DIAGNOSTIC TEST
1. BRAKE FLUID LEVEL SENSOR
NOTE: Diagnose and repair any MIC, Brake, or Communication DTCs before proceeding with this test.
Disconnect the Brake Fluid Level Sensor harness connector.
Measure the resistance of the Brake Fluid Level Sensor between pin 1 and pin 2.
Q: Does the resistance measure less than 900 ohms?
YES: Replace the Brake Fluid Level Sensor. Perform BODY VERIFICATION TEST - VER 1. See: Powertrain Management/Computers and
Control Systems/Testing and Inspection/Diagnostic Trouble Code Tests and Associated Procedures/Verification Tests/Body Verification Test
NO: Go To 2
2. (B20) BRAKE FLUID LEVEL SENSOR SENSE CIRCUIT SHORT TO GROUND
