NHTSA ID Number: 10163577
Manufacturer Communication Number: TSB 19-2231
Summary
Some 2017-2019 F-Super Duty vehicles equipped with a 6.7L engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P1291, P1292, P0191 and/or P06A6. This may be due to an engine harness chafe on the powertrain control module (PCM) bracket. Before completing Powertrain Control/Emissions Diagnosis (PC/ED) Manual pinpoint tests, follow the Service Procedure steps.
12 Affected Products
Vehicles
Model:
Ford
2017-2019 F-Super Duty |
Issue: Some 2017-2019 F-Super Duty vehicles equipped with a 6.7L engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P1291, P1292, P0191 and/or P06A6. This may be due to an engine harness chafe on the powertrain control module (PCM) bracket.
Action: Before completing Powertrain Control/Emissions Diagnosis (PC/ED) Manual pinpoint tests, follow the Service Procedure steps on vehicles that meet all of the following criteria:
- 2017-2019 F-Super Duty
- 6.7L diesel engine
- Illuminated MIL with DTCs P1291, P1292 P0191 and/or P06A6
Service Procedure
(1). PCM, PCM bracket and harness installed. (Figure 1)
(2). PCM and the harness removed, PCM bracket shown. (Figure 2)
- Note: If the harness pushpin is not in place on the PCM bracket, a harness chafe may be present near where the pushpin is located on the engine harness resulting in these DTCs.
(3). Example of chafe location on the engine harness near the PCM pushpin. The chafe occurs due to rubbing on the PCM bracket. (Figure 3)
(4). Example of chafe location with the tape removed. (Figure 4)
Figure 1
| Item | Description |
| 1 | PCM connectors |
| 2 | Pushpin location on PCM bracket |
Figure 2 – Pushpin location on the PCM bracket
Figure 3 – Small chafe in the harness tape
Figure 4 – Small chafe in the harness circuits
SEOCONTENT-START
TECHNICAL SERVICE BULLETIN
6.7L – Illuminated MIL With DTCs P1291, P1292, P0191 And/Or P06A6 –
Engine Harness Chafe
19-2231
24 July 2019
Model:
Issue: Some 2017-2019 F-Super Duty vehicles equipped with a 6.7L engine may exhibit an illuminated
malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P1291, P1292, P0191 and/or P06A6. This
may be due to an engine harness chafe on the powertrain control module (PCM) bracket.
Action: Before completing Powertrain Control/Emissions Diagnosis (PC/ED) Manual pinpoint tests, follow the
Service Procedure steps on vehicles that meet all of the following criteria:
• 2017-2019 F-Super Duty
• 6.7L diesel engine
• Illuminated MIL with DTCs P1291, P1292 P0191 and/or P06A6
Warranty Status: Information Only.
Repair/Claim Coding
Service Procedure
1. Inspect if the engine harness pushpin is in place on the PCM bracket.
(1). PCM, PCM bracket and harness installed. (Figure 1)
(2). PCM and the harness removed, PCM bracket shown. (Figure 2)
• Note: If the harness pushpin is not in place on the PCM bracket, a harness chafe may be present near where the
pushpin is located on the engine harness resulting in these DTCs.
(3). Example of chafe location on the engine harness near the PCM pushpin. The chafe occurs due to rubbing
on the PCM bracket. (Figure 3)
(4). Example of chafe location with the tape removed. (Figure 4)
Figure 1
Ford
2017-2019 F-Super Duty
Causal Part: IN
Condition Code: 30
Figure 2 – Pushpin location on the PCM bracket
Item Description
1 PCM connectors
2 Pushpin location on PCM bracket
Figure 3 – Small chafe in the harness tape
Figure 4 – Small chafe in the harness circuits
NOTE: The information in Technical Service Bulletins is intended for use by trained, professional technicians with the knowledge, tools, and
equipment to do the job properly and safely. It informs these technicians of conditions that may occur on some vehicles, or provides
information that could assist in proper vehicle service. The procedures should not be performed by “do-it-yourselfers”. Do not assume that a
condition described affects your car or truck. Contact a Ford or Lincoln dealership to determine whether the Bulletin applies to your vehicle.
Warranty Policy and Extended Service Plan documentation determine Warranty and/or Extended Service Plan coverage unless stated
otherwise in the TSB article. The information in this Technical Service Bulletin (TSB) was current at the time of printing. Ford Motor Company
reserves the right to supersede this information with updates. The most recent information is available through Ford Motor Company’s on-line
technical resources.
19-2231
24 July 2019
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- Sports a race-spec heavy-duty bundling performance but cleanly tears with just bare hands, EMPOWERING average car owners with LITTLE TO NO EXPERIENCE in automotive maintenance to achieve PROFESSIONAL-GRADE results in function and form.
- This Wire Loom Tape features an extremely strong adhesive but does not turn into a messy goo. Rated to last up to 6 years and can easily get you through 150k miles of mileage.
- Its bi-directional weave makes it puncture-resistant and abrasion and corrosion-resistant. This automotive felt tape preserves cables in their pristine condition.
- This engine tape wrap is similar, if not better, in thickness, tensile strength and looks with OEM wire harness tapes. Extra-sticky adhesive enables users to bundle hard-to-reach cables quickly.
- High temp Wire Harness Automotive Cloth Tape with excellent sound and rattle dampening performance. Lessens coil whining and lasts well against elevated temperatures (-40℉ - 257℉).
- Sports a race-spec heavy-duty bundling performance but cleanly tears with just bare hands, EMPOWERING average car owners with LITTLE TO NO EXPERIENCE in automotive maintenance to achieve PROFESSIONAL-GRADE results in function and form.
- This Wire Loom Tape features an extremely strong adhesive but does not turn into a messy goo. Rated to last up to 6 years and can easily get you through 150k miles of mileage.
- Its bi-directional weave makes it puncture-resistant and abrasion and corrosion-resistant. This automotive felt tape preserves cables in their pristine condition.
- This engine tape wrap is similar, if not better, in thickness, tensile strength and looks with OEM wire harness tapes. Extra-sticky adhesive enables users to bundle hard-to-reach cables quickly.
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