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Hi all,

I have a 2015 mondeo, and I have just started having intermittent issues. It will flash up with esc service required on the dash and the abs and tc lights will come on. It will say hill start assist unavailable and park assist stops working.

Sometimes the lights go off after a minute or so, other times they stay on until I turn off and on the ignition.

Car seems to still drive fine with the lights on.

I have just got forscan with a modified cable so am able to read any dtc codes, but unfortunately I'm not exactly sure where to start to diagnose the issue.

Have searched online and have found it could just be an abs sensor that's need replacing. Is it possible to use forscan to narrow down exactly where the issue lies??

Any help would be much appreciated. 

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Wheel speed sensors are pretty common on these Mondeo's, usually it's 1 of the front ones. I haven't used Forscan but it should tell you what sensor it is (i.e. left front, right front, etc.)

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What fault codes did you get?.

You should be able to get Live readings from each of the wheel sensors if you go into Dashboard and search for the relevant PID's. They will probably be in the ABS Module, just scroll through them. I'm sure there is also an all modules PID search function to make life easier.

Once you have them on your Dashboard press Play and take the car for a run. If the fault occurs and it is one of the sensors it will be obvious.  

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Thank you for the replies. 

I had about 25-30 codes when I first ran forscan yesterday. I have reset them to see what codes return, but sods law the esc warning never appeared today.

Is it safe to run forscan while driving as I only have the pc software, I guess as long as I'm not watching the lappy while I drive I should be safe.

I will be running it again tomorrow as I plan to take it on a good drive as I think it needs a dpf regen. The car used to be a taxi so has high milage and a lot of short stop start journeys, but I got a good saving on the average price I paid.

Once I have scanned again tomorrow I will post back with the codes that reappear.

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the esc error came on on my way to work this morning, got home and run a scan and have the following codes.

Looks like the front left abs sensor problem, does it mean it needs replacing though??

===FCIM DTC None===
Successful DTC reading, no error codes found

Module: Front Controls Interface Module

===END FCIM DTC None===

===ABS DTC C0031:15-28===
Code: C0031 - Left Front Wheel Speed Sensor

Additional Fault Symptom:
 - Circuit Short To battery Or Open

Status: 
 - Previously Set DTC - Not Present at Time of Request
 - Malfunction Indicator Lamp is Off for this DTC

Module: Antilock braking system

 Freeze Frame :
-GLOBTIM: 193310546 s - Global real time
-TOTDIST: 262810.0 km - Total Distance
-MAINECUV: 14.50 V - Main ECU voltage supply
-OUTTMP: 7 °C - External Temperature From Sensor
-POWER_MODE: Running  - Power Mode Status
-ABS: Active  - ABS
-AYC: Inactive  - AYC
-BTCS: Inactive  - BTCS -201D
-HDC: Inactive  - HDC
-RSC: Inactive  - RSC
-BTC: Inactive  - BTC
-VAC_BST_ST: Inactive  - Active Vacuum Booster State
-BST_REL_SW: Inactive  - Booster Release Switch State
-HYD_PMP_ST: Inactive  - Hydraulic Pump State
-VPWR_ABS: 14.60 V - Module supply voltage
-VSS: 24.0 km/h - Vehicle Speed
===END ABS DTC C0031:15-28===

===ABS DTC C0051:67-68===
Code: C0051 - Steering Wheel Position Sensor

Additional Fault Symptom:
 - Signal Incorrect After Event

Status: 
 - Previously Set DTC - Not Present at Time of Request
 - Malfunction Indicator Lamp is Off for this DTC
 - Test not complete

Module: Antilock braking system

 Freeze Frame :
-GLOBTIM: 193310586 s - Global real time
-TOTDIST: 262810.0 km - Total Distance
-MAINECUV: 14.50 V - Main ECU voltage supply
-OUTTMP: 7 °C - External Temperature From Sensor
-POWER_MODE: Running  - Power Mode Status
-ABS: Inactive  - ABS
-AYC: Inactive  - AYC
-BTCS: Inactive  - BTCS -201D
-HDC: Inactive  - HDC
-RSC: Inactive  - RSC
-BTC: Inactive  - BTC
-VAC_BST_ST: Inactive  - Active Vacuum Booster State
-BST_REL_SW: Inactive  - Booster Release Switch State
-HYD_PMP_ST: Inactive  - Hydraulic Pump State
-VPWR_ABS: 14.70 V - Module supply voltage
-VSS: 0.0 km/h - Vehicle Speed
===END ABS DTC C0051:67-68===

===RTM DTC None===
Successful DTC reading, no error codes found

Module: Radio Transceiver Module

===END RTM DTC None===

===PDM DTC None===
Successful DTC reading, no error codes found

Module: Passengers Door Control Unit

===END PDM DTC None===

===DDM DTC None===
Successful DTC reading, no error codes found

Module: Drivers Door Module

===END DDM DTC None===

===RCM DTC None===
Successful DTC reading, no error codes found

Module: Restraint Control Module

===END RCM DTC None===

===PSCM DTC U0415:00-08===
Code: U0415 - Invalid Data Received from Anti-Lock Brake System (ABS) Control Module A

Status: 
 - Previously Set DTC - Not Present at Time of Request
 - Malfunction Indicator Lamp is Off for this DTC

Module: Power Steering Control Module

 Freeze Frame :
-STEER_FEEL: Comfort  - Steering Personalization Status
-SW_ANGLE: 0.00 ° - Steering Wheel Angle
-ODOMETER: 262810.0 km - Total Distance
-MOD_SUP_V: 14.60 V - Module Supply Voltage
-PSCM_INT_TEMP: 14 °C - PSCM Internal Temperature
-EPAS_MOTOR_CUR: 0.00 A - EPAS Motor Current
-VSS: 22.0 km/h - Vehicle Speed
===END PSCM DTC U0415:00-08===

===ACM DTC None===
Successful DTC reading, no error codes found

Module: Audio Control Module

===END ACM DTC None===

===SCCM DTC None===
Successful DTC reading, no error codes found

Module: Steering Column Control Module

===END SCCM DTC None===

===IPC DTC U0230:00-0A===
Code: U0230 - Lost Communication With Rear Gate Module

Status: 
 - DTC Present at Time of Request
 - Malfunction Indicator Lamp is Off for this DTC

Module: Instrument Panel Control Module

===END IPC DTC U0230:00-0A===

===GWM DTC None===
Successful DTC reading, no error codes found

Module: Gateway Module A

===END GWM DTC None===

===GPSM DTC None===
Successful DTC reading, no error codes found

Module: Global Positioning System Module

===END GPSM DTC None===

===PCM DTC None===
Successful DTC reading, no error codes found

Module: Powertrain Control Module

===END PCM DTC None===

===OBDII DTC None===
Successful DTC reading, no error codes found

Module: On Board Diagnostic II

===END OBDII DTC None===

===APIM DTC B1215:00-28===
Code: B1215 - External Memory Card

Status: 
 - Previously Set DTC - Not Present at Time of Request
 - Malfunction Indicator Lamp is Off for this DTC

Module: Accessory Protocol Interface Module

===END APIM DTC B1215:00-28===

===DCDC DTC None===
Successful DTC reading, no error codes found

Module: DC to DC Converter Control Module

===END DCDC DTC None===

===PAM DTC U0415:00-28===
Code: U0415 - Invalid Data Received from Anti-Lock Brake System (ABS) Control Module A

Status: 
 - Previously Set DTC - Not Present at Time of Request
 - Malfunction Indicator Lamp is Off for this DTC

Module: Parking Aid Module

===END PAM DTC U0415:00-28===

===PAM DTC U0557:00-28===
Code: U0557 - Invalid Data Received From Front Controls Interface Module A

Status: 
 - Previously Set DTC - Not Present at Time of Request
 - Malfunction Indicator Lamp is Off for this DTC

Module: Parking Aid Module

===END PAM DTC U0557:00-28===

===BCMii DTC None===
Successful DTC reading, no error codes found

Module: Body Control Module

===END BCMii DTC None===

 

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Looks more like a wiring fault. I would do a careful inspection of the connection and as much wiring as is practicable first before doing anything else. 

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