Engine Will Not Turn Off And/Or Various Electrical Symptoms – BJB Cover Not Fully Seated – 2020-2022 Ford F-Super Duty

NHTSA ID Number: 10226938

Manufacturer Communication Number: TSB 22-2443

Summary

This article supersedes TSB 22-2313 to update the Parts List, Service Procedure, and vehicle production fix dates. Some 2020-2022 F-Super Duty vehicles may exhibit a condition where the engine will not turn off and/or have various electrical symptoms including a dead battery, horn stays on and no crank/no start. The vehicle may also have an illuminated anti-lock braking system (ABS) indicator with diagnostic trouble codes (DTCs) C0020 and U3003 in the ABS module. This may be a result of water/moisture intrusion into the battery junction box (BJB). The BJB is located under the hood of the vehicle. This water/moisture intrusion may be related to the BJB cover not installed completely or broken cover tabs/locking fingers allowing water/moisture into the BJB. To correct the condition, follow the Service Procedure to inspect for water/moisture intrusion into the BJB and replace the BJB and cover if water/moisture intrusion is found.

 

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This bulletin supersedes 22-2313.

Model:

Ford 2020-2022 F-Super Duty

 

Summary

This article supersedes TSB 22-2313 to update the Parts List, Service Procedure, and vehicle production fix dates.

Issue: Some 2020-2022 F-Super Duty vehicles may exhibit a condition where the engine will not turn off and/or have various electrical symptoms including a dead battery, horn stays on and no crank/no start. The vehicle may also have an illuminated anti-lock braking system (ABS) indicator with diagnostic trouble codes (DTCs) C0020 and U3003 in the ABS module. This may be a result of water/moisture intrusion into the battery junction box (BJB). The BJB is located under the hood of the vehicle. This water/moisture intrusion may be related to the BJB cover not installed completely or broken cover tabs/locking fingers allowing water/moisture into the BJB. To correct the condition, follow the Service Procedure to inspect for water/moisture intrusion into the BJB and replace the BJB and cover if water/moisture intrusion is found.

Action: Follow the Service Procedure to correct the condition on vehicles that meet all of the following criteria:

• 2020-2022 F-Super Duty
• At least one of the following symptoms:
  • Various electrical concerns including engine will not turn off
  • Dead battery
  • Horn stays on
  • No crank/no start
  • Illuminated ABS indicator with DTCs C0020 and U3003

 

Parts

Service Part Number	Quantity	Description
14A068	1	Power Distribution Box / Battery Junction Box – Refer To The Parts Catalog For The VIN Specific Application
LC3Z-14A003-D	1	Battery Junction Box Cover

 

Service Procedure

1. For repairs performed on or before 31-Dec-2023, take photos of any sign of water intrusion, broken attaching points, or unseated BJB cover. Submit photos using the Report a Vehicle Concern link at the bottom of the OASIS screen.

2. Visually inspect the BJB for signs of water/moisture intrusion. Are there signs of water/moisture intrusion into the BJB and/or broken cover tabs/locking fingers?

(1). Yes – proceed to Step 3.

(2). No – this article does not apply. Refer to Workshop Manual (WSM) for symptom based diagnostics.

Figure 1 – Example of moisture intrusion with BJB cover on

Figure 2 – Example of moisture intrusion with BJB cover off

3. Replace the BJB assembly and cover.

(1). Remove the battery and battery tray. Refer to the Workshop Manual, Section 414-01.

(2). Remove the BJB cover.

(3). Loosen the 2 BJB connector bolts and remove the battery power cable nut. Disconnect the battery power cable from the BJB.

(4). Release the BJB from the two locking tabs on each side of the BJB.

(5). Lift the BJB to allow access to both BJB connectors. Disconnect both connectors and remove the BJB.

(6). Remove the cover from the new BJB and connect both connectors to the new BJB.

(7). Install the new BJB into both locking tabs.

(8). Attach the battery power cable and tighten the battery power cable nut to 10.5 Nm (93 lb-in). Tighten the connector bolts to 5.4 Nm (48 lb-in).

(9). Install the new BJB cover making sure the cover tabs/locking fingers are installed correctly.

(10). Install the battery tray and battery back into the vehicle. Refer to WSM, Section 414-01.

Figure 3 – Correct cover installation

Figure 4 – Incorrect cover installation

Figure 5 – Incorrect cover installation

Figure 6 – Incorrect cover installation

 

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12 Affected Products

Vehicles

MAKE	MODEL	YEAR
FORD	F-250 SD	2020-2022
FORD	F-350 SD	2020-2022
FORD	F-450 SD	2020-2022
FORD	F-550 SD	2020-2022

 

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1 Associated Document

Manufacturer Communications

22-2443
17 November 2022

https://www.nhtsa.gov/recalls?nhtsaId=10226938

MC-10226938-0001.pdf 233.442KB

 

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NHTSA ID Number: 10235151

Manufacturer Communication Number: TSB 23-2133

Summary

Some 2020-2022 F-Super Duty vehicles may exhibit a condition where the engine will not turn off and/or have various electrical symptoms including a dead battery, horn stays on and no crank/no start. The vehicle may also have an illuminated anti-lock braking system (ABS) indicator with diagnostic trouble codes (DTCs) C0020 and U3003 in the ABS module. This may be a result of water/moisture intrusion into the battery junction box (BJB). The BJB is located under the hood of the vehicle. This water/moisture intrusion may be related to the BJB cover not installed completely or broken cover tabs/locking fingers allowing water/moisture into the BJB. To correct the condition, follow the Service Procedure to inspect for water/moisture intrusion into the BJB and replace the BJB and cover if water/moisture intrusion is found.

 

1 Associated Document

Manufacturer Communications

23-2133
21 April 2023

https://www.nhtsa.gov/recalls?nhtsaId=10235151

MC-10235151-0001.pdf 729.961KB

 

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NHTSA ID Number: 10218618

Manufacturer Communication Number: TSB 22-2313

Summary

This article supersedes TSB 22-2044 to update the Parts List. Some 2020-2022 F-Super Duty vehicles built on or before 18-Mar-2022 may exhibit a condition where the engine will not turn off and/or have various electrical symptoms including a dead battery, horn stays on and no crank/no start. The vehicle may also have an illuminated anti-lock braking system (ABS) indicator with diagnostic trouble codes (DTCs) C0020 and U3003 in the ABS module. This may be a result of water/moisture intrusion into the battery junction box (BJB). The BJB is located under the hood of the vehicle. This water/moisture intrusion may be related to the BJB cover not installed completely or broken cover tabs/locking fingers allowing water/moisture into the BJB. To correct the condition, follow the Service Procedure to inspect for water/moisture intrusion into the BJB and replace the BJB if water/moisture intrusion is found.

 

1 Associated Document

Manufacturer Communications

22-2313
04 August 2022

https://www.nhtsa.gov/recalls?nhtsaId=10218618

MC-10218618-0001.pdf 233.954KB

 

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NHTSA ID Number: 10208141

Manufacturer Communication Number: TSB 22-2044

Summary

Some 2020-2022 F-Super Duty vehicles may exhibit a condition where the engine will not turn off and/or have various electrical symptoms including a dead battery, horn stays on and no crank/no start. The vehicle may also have an illuminated anti-lock braking system (ABS) indicator with diagnostic trouble codes (DTCs) C0020 and U3003 in the ABS module. The vehicle may not shift out of park (P) and/or have continuously illuminated brake lamps with DTCs P0504 and/or C0040. This may be a result of water/moisture intrusion into the battery junction box (BJB). The BJB is located under the hood of the vehicle. This water/moisture intrusion may be related to the BJB cover not installed completely or broken cover tabs/locking fingers allowing water/moisture into the BJB. To correct the condition, follow the Service Procedure steps to inspect for water/moisture intrusion into the BJB and replace the BJB if water/moisture intrusion is found.

 

1 Associated Document

Manufacturer Communications

22-2044
15 February 2022

https://www.nhtsa.gov/recalls?nhtsaId=10208141

MC-10208141-0001.pdf 233.632KB

 

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NHTSA ID Number: 10206844

Manufacturer Communication Number: TSB 22-2004

Summary

Some 2020-2022 F-Super Duty vehicles may exhibit a condition where the engine will not turn off and/or have various electrical symptoms including a dead battery, horn stays on and no crank/no start. The vehicle may also have an illuminated anti-lock braking system (ABS) Indicator with DTCs C0020 and U3003 in the ABS module. This may be a result of water/moisture intrusion into the battery junction box (BJB). The BJB is located under the hood of the vehicle. This water/moisture intrusion may be related to the BJB cover not installed completely or broken cover tabs/locking fingers allowing water/moisture into the BJB. To correct the condition, follow the Service Procedure steps to inspect for water/moisture intrusion into the BJB and replace the BJB if water/moisture intrusion is found.

1 Associated Document

Manufacturer Communications

22-2004
11 January 2022

https://www.nhtsa.gov/recalls?nhtsaId=10206844

MC-10206844-0001.pdf 250.418KB

 

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NHTSA ID Number: 10200732

Manufacturer Communication Number: TSB 21-2176

Summary

Some 2020-2021 F-Super Duty vehicles may exhibit a condition where the engine will not turn off and/or have various electrical symptoms including a dead battery, horn stays on and no crank/no start. The vehicle may also have an illuminated anti-lock braking system (ABS) Indicator with DTCs C0020 and U3003 in the ABS module. This may be a result of water/moisture intrusion into the battery junction box (BJB). The BJB is located under the hood of the vehicle. This water/moisture intrusion may be related to the BJB cover not installed completely or broken cover tabs/locking fingers allowing water/moisture into the BJB. To correct the condition, follow the Service Procedure steps to inspect for water/moisture intrusion into the BJB and replace the BJB if water/moisture intrusion is found.

 

1 Associated Document

Manufacturer Communications

21-2176
13 August 2021

https://www.nhtsa.gov/recalls?nhtsaId=10200732

MC-10200732-0001.pdf 250.689KB

 

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NHTSA ID Number: 10180333

Manufacturer Communication Number: TSB 20-2298

Summary

Some 2020 F-Super Duty vehicles may exhibit a condition where the engine will not turn off and/or have various electrical symptoms including a dead battery, horn stays on and no crank/no start. This may be a result of water/moisture intrusion into the battery junction box (BJB). The BJB is located under the hood of the vehicle. This water/moisture intrusion may be related to the BJB cover not installed completely or broken cover tabs/locking fingers allowing water/moisture into the BJB. To correct the condition, follow the Service Procedure steps to inspect for water/moisture intrusion into the BJB and replace the BJB if water/moisture intrusion is found.

 

1 Associated Document

Manufacturer Communications

20-2298
01 September 2020

https://www.nhtsa.gov/recalls?nhtsaId=10180333

MC-10180333-0001.pdf 1080.89KB

 

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Last update on 2026-05-31 / Affiliate links / Images from Amazon Product Advertising API

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