Is DTC U0121 still present?
Yes | GO to A7 |
|---|
No | The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition. |
|---|
A7 CHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0121 SET IN OTHER MODULES
Using a diagnostic scan tool, clear all Diagnostic Trouble Codes (DTCs).
Ignition OFF.
Ignition ON.
Wait 10 seconds.
Using a diagnostic scan tool, retrieve all Continuous Memory Diagnostic Trouble Codes (CMDTCs).
Is DTC U0121 set in any other module?
Yes | GO to A8 |
|---|
No | GO to A9 |
|---|
A8 CHECK FOR CORRECT ABS (ANTI-LOCK BRAKE SYSTEM) MODULE OPERATION
Ignition OFF.
Disconnect and inspect all ABS MODULE connectors.
Repair:
corrosion (install new connector or terminals - clean module pins)
damaged or bent pins - install new terminals/pins
pushed-out pins - install new pins as necessary
Reconnect all the ABS MODULE connectors. Make sure they seat and latch correctly.
Operate the system and determine if the concern is still present.
Is the concern still present?
CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for
Yes this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no Technical
Original technical text and illustrations, formatted as HTML. Follow the engine, transmission, equipment, model and year specified in the source. Import and layout checks do not establish applicability to every 2015–2017 Mustang. About this collection.