Pinpoint Test A: DTC B1483

WARNING: This page is about a different car, the 2010 Mercury Milan, 2010 Lincoln MKZ, and 2010 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Use the Flex Probe Kit for all test connections to prevent damage to the wiring terminals. Do not use standard multimeter probes.

A1 CHECK THE ABS MODULE DTCs
- Review the DTCs recorded during Inspection and Verification.
- Were any wheel speed sensor DTCs retrieved?
- Yes: For DTC C1145, C1155, C1165 or C1175, Go To PINPOINT TEST C .
  For DTC C1233, C1234, C1235 or C1236, Go To PINPOINT TEST D .
- No: GO to A2.
A2 CHECK FOR PCM DTCs
- Ignition ON.
- Enter the following diagnostic mode on the scan tool: KOEO Self Test - PCM.
- Retrieve and record any PCM DTCs.
- Are any DTCs present in the PCM?
- Yes: REFER to DIAGNOSTIC TROUBLE CODE (DTC) TABLE .
- No: GO to A3.
A3 CHECK THE ABS MODULE DTCs
- Review the DTCs recorded during INSPECTION AND VERIFICATION .
- Are DTCs U0100 and/or U0401 also present?
- Yes: DIAGNOSE DTCs U0100 and/or U0401 before diagnosing B1483. REFER to ABS MODULE DTC TABLE .
- No: If DTCs C1288 and/or C1440 are present, Go To PINPOINT TEST I .
  If no other DTCs are present, GO to A4.
A4 CHECK THE ABS MODULE BRAKE ON/OFF (BOO_ABS) PID
- Enter the following diagnostic mode on the scan tool: DataLogger - ABS Module.
- Monitor the BOO_ABS PID while pressing and releasing the brake pedal.
- Does the PID agree with the pedal position?
- Yes: The system is operating correctly at this time. CLEAR the DTC. REPEAT the self-test.
- No: GO to A5.
A5 CHECK THE PCM BOO1 PID
- Enter the following diagnostic mode on the scan tool: DataLogger - PCM.
- Monitor the BOO1 PID while pressing and releasing the brake pedal.
- Does the PID agree with the pedal position?
- Yes: REFER to COMMUNICATIONS NETWORK to diagnose the communication concern.
- No: REFER to CRUISE CONTROL and diagnose the speed control deactivation switch.