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Help diagnose Multiple DTCs in 7 Modules

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Old Mar 18, 2021 | 03:02 PM
  #1  
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Default Help diagnose Multiple DTCs in 7 Modules

I have been working on my 2018 XLT to install auto climate control and replace the heated seat harness and SCME module. That involved replacing the FCIM to enable the controls. I was unable to get it to work and disconnected it for now. At the same time, my battery would not old a charge. My truck would not start, and it was towed to the dealer. I had a bad fuse at F18 which was replaced. After this I also had a new battery installed.
I am now getting multiple DTCs from 7 different modules. My power door locks, radio controls, power mirrors no longer work. I will add the log of the DTC errors and would appreciate any help in diagnosing the problem.
===PCM DTC P193E:00-6D===
Code: P193E - A/C Clutch Request Signal

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

Module: Powertrain Control Module

===END PCM DTC P193E:00-6D===

===PCM DTC U0164:00-6D===
Code: U0164 - Lost Communication With HVAC Control Module

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

Module: Powertrain Control Module

===END PCM DTC U0164:00-6D===

===PCM DTC U0199:00-2F===
Code: U0199 - Lost Communication With Door Control Module A

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

Module: Powertrain Control Module

===END PCM DTC U0199:00-2F===

===PCM DTC U0200:00-2F===
Code: U0200 - Lost Communication With Door Control Module B

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

Module: Powertrain Control Module

===END PCM DTC U0200:00-2F===

===PCM DTC U0252:00-2F===
Code: U0252 - Lost Communication With Lighting Control Module- Rear B

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

Module: Powertrain Control Module

===END PCM DTC U0252:00-2F===

===PCM DTC U0256:00-2F===
Code: U0256 - Lost Communication With Front Controls Interface Module A

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

Module: Powertrain Control Module

===END PCM DTC U0256:00-2F===

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

Module: On Board Diagnostic II

===END OBDII DTC None===

===APIM DTC U0256:00-0B===
Code: U0256 - Lost Communication With Front Controls Interface Module A

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

Module: Accessory Protocol Interface Module

===END APIM DTC U0256:00-0B===

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

Module: DC to DC Converter Control Module

===END DCDC DTC None===

===PAM DTC U0256:00-2B===
Code: U0256 - Lost Communication With Front Controls Interface Module A

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

Module: Parking Aid Module

===END PAM DTC U0256:00-2B===

===PAM DTC U0252:00-2B===
Code: U0252 - Lost Communication With Lighting Control Module- Rear B

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

Module: Parking Aid Module

===END PAM DTC U0252:00-2B===

===BdyCM DTC U0256:87-0A===
Code: U0256 - Lost Communication With Front Controls Interface Module A

Additional Fault Symptom:
- Missing Message

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

Module: Body Control Module

===END BdyCM DTC U0256:87-0A===

===BdyCM DTC U0199:87-0A===
Code: U0199 - Lost Communication With Door Control Module A

Additional Fault Symptom:
- Missing Message

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

Module: Body Control Module

===END BdyCM DTC U0199:87-0A===

===BdyCM DTC U0200:87-0A===
Code: U0200 - Lost Communication With Door Control Module B

Additional Fault Symptom:
- Missing Message

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

Module: Body Control Module

===END BdyCM DTC U0200:87-0A===

===BdyCM DTC U0252:87-0A===
Code: U0252 - Lost Communication With Lighting Control Module- Rear B

Additional Fault Symptom:
- Missing Message

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

Module: Body Control Module

===END BdyCM DTC U0252:87-0A===

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

Module: Battery Energy Control Module B

===END BECMB DTC None===

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

Module: Image Processing Module B

===END IPMB DTC None===

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

Module: Occupant Classification System Module

===END OCS DTC None===

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

Module: Transfer Case Control Module

===END TCCM DTC None===

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

Module: Antilock braking system

===END ABS DTC None===

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

Module: Trailer Brake Control Module

===END TrlrBM DTC None===

===RCM DTC U0557:82-8B===
Code: U0557 - Invalid Data Received From Front Controls Interface Module A

Additional Fault Symptom:
- Alive/Sequence Counter Incorrect/Not Updated

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

Module: Restraint Control Module

===END RCM DTC U0557:82-8B===

===PSCM DTC U0140:00-08===
Code: U0140 - Lost Communication With Body Control Module

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: Normal - Steering Personalization Status
-STRWHL_POS_CAL: No - Steering Wheel Position Sensor Calibration
-SW_RAW: 0.00 ° - Steering Wheel Angle - Raw
-SW_ANGLE: -2.50 ° - Steering Wheel Angle
-SSHFT_TQ_S2: -0.4 Nm - Steering Shaft Torque Sensor #2
-SW_ALIGN_OFSET: 2.60 ° - Steering Wheel Angle Alignment Offset
-TOTDIST: 31725.0 km - Total Distance
-GLOBTIM: 75598438 s - Global real time
-MOD_SUP_V: 14.40 V - Module Supply Voltage
-PSCM_INT_TEMP: 15 °C - PSCM Internal Temperature
-EPAS_MOTOR_CUR: 0.40 A - EPAS Motor Current
-VSS: 0.0 km/h - Vehicle Speed
===END PSCM DTC U0140:00-08===

===PSCM DTC U0553:00-08===
Code: U0553 - Invalid Data Received From Lighting Control Module-Rear 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: Normal - Steering Personalization Status
-STRWHL_POS_CAL: No - Steering Wheel Position Sensor Calibration
-SW_RAW: 0.00 ° - Steering Wheel Angle - Raw
-SW_ANGLE: -2.50 ° - Steering Wheel Angle
-SSHFT_TQ_S2: -0.4 Nm - Steering Shaft Torque Sensor #2
-SW_ALIGN_OFSET: 2.60 ° - Steering Wheel Angle Alignment Offset
-TOTDIST: 31725.0 km - Total Distance
-GLOBTIM: 75598433 s - Global real time
-MOD_SUP_V: 14.40 V - Module Supply Voltage
-PSCM_INT_TEMP: 15 °C - PSCM Internal Temperature
-EPAS_MOTOR_CUR: 1.30 A - EPAS Motor Current
-VSS: 0.0 km/h - Vehicle Speed
===END PSCM DTC U0553:00-08===

===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 U0137:00-0A===
Code: U0137 - Lost Communication With Trailer Brake Control Module

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

Module: Instrument Panel Control Module

===END IPC DTC U0137:00-0A===

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

Module: Gateway Module A

===END GWM DTC None===


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Old Mar 18, 2021 | 03:39 PM
  #2  
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All of these are likely connected to your FCIM being disconnected. First connect that and make sure it is programmed. Then clear codes and see if any come back.
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Old Mar 19, 2021 | 03:56 PM
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I reconnected the FCIM and it would not connect. I replaced it with the original FCIM and it would not connect either. I could not clear the DTCs in Forscan.
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Old Mar 19, 2021 | 05:42 PM
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Check fuse f28 and make sure your fuse for the FCIM is good.
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Old Mar 20, 2021 | 11:26 AM
  #5  
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I checked fuse f28. It's good, but I replaced it anyway and no change. I'm taking it to the dealer this morning. I'll update when I know more. Thanks for your suggestions.
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Old Nov 14, 2022 | 06:41 AM
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Originally Posted by jlauzon
I checked fuse f28. It's good, but I replaced it anyway and no change. I'm taking it to the dealer this morning. I'll update when I know more. Thanks for your suggestions.
Understand it's been over a year on this thread, but what ended up being the fix for this?
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Old Jan 19, 2023 | 12:01 PM
  #7  
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Hey, figured I'd post this to help people with this issue. I was working on a 2018 F150, chasing a similar problem. Most of those modules including the FCIM operate on the MS-CAN network. The network runs from the OBDII port, which is built into the gateway connector, under the hood, just behind the airbox. From that point there is a connector that feeds the MS-CAN to the rear of the truck. This is where i found the problem, there is a 16 pin connector by the spare tire that had several wires corroded. The MS-CAN network loops through the rear taillights and back through the same connector then goes back to the connector under the hood, and from there the circuit terminates at the FCIM. I hope this saves someone the 12 hours it took me to diagnose the problem.
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Old Aug 29, 2025 | 06:55 PM
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Default 2016 Lariat F150

Just had this come up in my truck. No Roush mods, but the blind spot and rear camera went out.
Had a buddy run a test and the following faults came up:
U0232:00-0A
U0233:00-0A
lost comm with side obstacle detection control modules A and B
B115E:08-0B
camera module

removed both tail lights, and sensors are clean and dry. No issues when removing tailgate in camera area

I dont wanna take it to ford cuz I know they’re gonna take the path of least resistance on all of this causing multiple returns to the shop and the bank

thoughts??
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Old Aug 29, 2025 | 09:08 PM
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Originally Posted by siverson
Just had this come up in my truck. No Roush mods, but the blind spot and rear camera went out.
Had a buddy run a test and the following faults came up:
U0232:00-0A
U0233:00-0A
lost comm with side obstacle detection control modules A and B
B115E:08-0B
camera module

removed both tail lights, and sensors are clean and dry. No issues when removing tailgate in camera area

I dont wanna take it to ford cuz I know they’re gonna take the path of least resistance on all of this causing multiple returns to the shop and the bank

thoughts??
For the SODs (aka: BLIS modules) check connector C405 behind the spare tire. For the camera, check both C406 and C408.

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Old Aug 29, 2025 | 09:15 PM
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Originally Posted by 52merc
For the SODs (aka: BLIS modules) check connector C405 behind the spare tire. For the camera, check both C406 and C408.
thanks, will check tomorrow and get back to you!
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