Possible Causes
- Incorrect sensor input
- Stuck valve
- ABS module
Harness Side
- Y1: RECHECK THE ABS MODULE FOR THE DTC
- Ignition ON, engine OFF.
- Clear the ABS DTCs.
- Ignition OFF.
- Ignition ON, engine OFF.
- Carry out the ABS self-test.
- Record the ABS module DTCs.
- Is the concern still present?
Yes No Go to Y4. The concern is not present at this time. The fault may have been caused by a temporary concern. If this is a constant intermittent concern, Go to Y4.
- Y2: CHECK FOR OTHER ABS MODULE DTCS
- Review the DTCs recorded in the previous step.
- Is DTC C0040:64 also present?
Yes No Go to PINPOINT TEST AC . Go to Y3.
- Y3: VERIFY THE ABS MODULE TO HCU FASTENERS
- Ignition OFF.
- Verify all ABS module-to-HCU fasteners are tightened to their correct torque specifications. Refer to ANTI-LOCK BRAKE SYSTEM (ABS) AND STABILITY CONTROL .
- Are fasteners tightened to their correct torque specifications?
Yes No Go to Y4. TIGHTEN all ABS module fasteners to their correct torque specifications.
Go to Y4.
- Y4: CHECK FOR CORRECT ABS MODULE OPERATION
- Ignition OFF.
- ABS Module connector disconnected. (C135)
- Using a good light source, inspect the electrical connector for the following:
- corrosion - install new connector or terminal and clean the module pins
- damaged or bent pins - install new terminals or pins
- pushed-out pins - install new pins as necessary
- spread terminals - install new terminals as necessary
- ABS Module connector connected. (C135) Make sure the connector seats and latches correctly.
- Operate the system and determine if the concern is still present.
- Is the concern still present?
Yes No INSTALL a new ABS module.
CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA.
If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions.
If no service articles address this concern, INSTALL a new ABS module. REFER to ANTI-LOCK BRAKE SYSTEM (ABS) MODULE .
ORDER a replacement ABS module and INCLUDE the RVC on the form.
If this is a Ford paid repair, INCLUDE the RVC on the warranty claim form.The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
If this is a Ford paid repair, INCLUDE the RVC on the warranty claim form.
- Y5: CHECK FOR CORRECT ABS OPERATION
- Ignition OFF.
- ABS Module connector disconnected. (C135)
- Using a good light source, inspect the electrical connector for the following:
- corrosion - install new connector or terminal and clean the module pins
- damaged or bent pins - install new terminals or pins
- pushed-out pins - install new pins as necessary
- spread terminals - install new terminals as necessary
- ABS Module connector connected. (C135) Make sure the connector seats and latches correctly.
- Operate the system and determine if the concern is still present.
- Is the concern still present?
Yes No INSTALL a new ABS module.
CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA.
If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions.
If no service articles address this concern, INSTALL a new ABS module and HCU assembly. REFER to ANTI-LOCK BRAKE SYSTEM (ABS) MODULE and HYDRAULIC CONTROL UNIT (HCU) .
ORDER a replacement ABS module and HCU assembly. INCLUDE the RVC on the form.
If this is a Ford paid repair, INCLUDE the RVC on the warranty claim form.The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
If this is a Ford paid repair, INCLUDE the RVC on the warranty claim form.