Pinpoint Test K: DTC C1446 - Boo Plausibility Fault(S)

WARNING: This page is about a different car, the 2009 Mercury Sable, 2009 Ford Taurus X, and 2009 Ford Taurus. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: Use the Flex Probe Kit for all test connections to prevent damage to the wiring terminals. Do not use standard multi-meter probes.

K1 CHECK THE SJB BRAKE ON/OFF (GEM_BOO) PID
- Connect the diagnostic tool.
- Key in ON position.
- Enter the following diagnostic mode on the diagnostic tool: DataLogger GEM
- Monitor the GEM_BOO PID while pressing and releasing the brake pedal.
- Does the PID agree with the brake pedal position (BPP)?
1. YES : Go to K2.
2. NO : RETRIEVE and RECORD any SJB DTCs. REFER to the Master DTC Table in MULTIFUNCTION ELECTRONIC MODULES article.
K2 CHECK THE ABS MODULE BOO (BOO_ABS) PID
- Enter the following diagnostic mode on the diagnostic tool: DataLogger ABS
- Monitor the BOO_ABS PID while pressing and releasing the brake pedal.
- Does the PID agree with the BPP?
1. YES : Go to K3.
2. NO : REFER to MODULE COMMUNICATIONS NETWORK article to diagnose the vehicle communication bus.
K3 CHECK THE ABS MODULE BRAKE PRESSURE (BRAKPRES) PID
- Monitor the BRAKPRES PID while firmly pressing and releasing the brake pedal.
- Does the PID increase when the brake pedal is firmly pressed and decrease when the brake pedal is released?
1. YES : The system is functioning correctly at this time. CYCLE the ignition, TEST drive the vehicle and CARRY OUT at least one ABS stop.
2. NO : Go to Pinpoint Test J .