U0146 · 原廠技術資料

AUDI · 2026-05-08

This bulletin provides information when there are DTCs for the 48V starter generator; P0A1A00 P19F800 P0A1E00 U014600 U300100 P10F300 P056200 P056100 P065200 P069800.

AUDI · 2026-01-05

This bulletin provides information when there are DTCs for the 48V starter generator; P0A1A00 P19F800 P0A1E00 U014600 U300100 P10F300 P056200 P056100 P065200 P069800.

FORD · 2025-12-03

Some 2023-2026 F-Super Duty vehicles built on or before 01-Oct-2025 may exhibit a "Hill Start Assist Unavailable" and/or "Parking Brake Limited Function" message at vehicle start-up with diagnostic trouble codes (DTCs) U0151, U023A, U0159 and/or U0146 stored in the anti-lock brake system (ABS) module. These DTCs and/or U0415 may also be present in various other modules related to "invalid data received from the ABS control module". This may be due to the software in the ABS module. To correct the condition, reprogram the ABS module using the latest software level of the Ford Diagnosis and Repair System (FDRS) scan tool. For claiming, use causal part 2C219 and labor operations 2219D and 2219D44.

FORD · 2025-11-04

Some 2022-2024 Expedition/Navigator vehicles equipped with driver assistance features and minor feature codes DBCBB and DBCBC may exhibit driver assistance feature warning messages displayed in the instrument panel cluster (IPC). Additionally, some modules may store invalid data/lost communication related diagnostic trouble codes (DTCs). The image processing module A (IPMA) should not store these DTCs. This condition may be due to the software in the IPMA, causing it to not communicate on the network. Whether the issue is intermittent or the IPMA is currently failing to communicate, download and run the "IPMA - Image Processing Module A (IPMA) Recovery" app in the Ford Diagnosis and Repair System (FDRS) scan tool. If IPMA communication had to be restored using the Recovery App, download…

FORD · 2025-08-22

Some 2023-2025 F-Super Duty vehicles may exhibit a "Hill Start Assist Unavailable" and/or "Parking Brake Limited Function" message at vehicle start-up with diagnostic trouble codes (DTCs) U0151, U023A, U0159, and/or U0146 stored in the anti-lock brake system (ABS) module. These DTCs and/or U0415 may also be present in various other modules related to "invalid data received from the ABS control module". This may be due to the software in the ABS module. To correct the condition, reprogram the ABS module using the latest software level of the Ford Diagnosis and Repair System (FDRS) scan tool. For claiming, use causal part 2C219 and labor operation 2219D and 2219D44.

FORD · 2025-06-11

Some 2023-2025 F-Super Duty vehicles may exhibit a "Hill Start Assist Unavailable" and/or "Parking Brake Limited Function" message at vehicle start-up with diagnostic trouble codes (DTC) U0151, U023A, U0159, and/or U0146 stored in the anti-lock brake system (ABS) module. These DTCs and/or U0415 may also be present in various other modules related to "invalid data received from the ABS control module". Replacement or reprogramming of the ABS module will not resolve this condition. There is no effect to the parking brake or other vehicle functions. This does not affect vehicle durability and no additional diagnosis or service is required for this condition at this time. Inform customers that they can continue to drive the vehicle and engineering is currently working on a solution for this…

MERCEDES-BENZ · 2025-03-26

Complaint Check engine light comes on when driving/starting the vehicle. No drivability concerns. Cause SW conflict of the 48V battery Remedy 1.-Check for SW in the 48V battery. 1. If SW is available, update the 48V battery. 2. Clear all faults and perform a few drive cycles. 3. If no faults return, the vehicle can be released. 2.-If no SW available, perform the following: - Charge the batteries (<5A charging current) - Erase the fault codes - Access the 12V battery contacts - Ignition off and bus sleep for 10 minutes - Disconnect the 12V battery - Wait 10 minutes - Disconnect Connector 3 at the 48V battery - Disconnect Connector 5 at the DCDC converter - Disconnect the 48V and 12V contacts (40/41 and 30/31) at the DCDC converter - Wait for 10 minutes - Reconnect everything back in…

FORD · 2025-03-25

Some 2023-2025 F-Super Duty vehicles may set diagnostic trouble codes (DTCS) U023A:00, U0159:00, and/or U0146:00 in the anti-lock brake system (ABS) module after the vehicle is remote started.

AUDI · 2024-10-30

This bulletin provides information when multiple warnings are in the instrument cluster; no communication DTCs U014600, U044700, U166100, U166200.

AUDI · 2024-03-12

This bulletin provides information when there are multiple warnings in the instrument cluster; DTCs U014600, U044700, U166100, U166200.

AUDI · 2024-01-12

This PSS requests that technicians add a record to the Pending Service Solutions database in instances where the Engine control unit has faults P060C00 and U014600.

FORD · 2023-06-22

Some 2023 F-150 non-Lightning vehicles built on or before 28-Feb-2023 at Kansas City Assembly Plant or built on or before 07-Mar-2023 at Dearborn Truck Plant may experience an inoperative FordPass application, inoperative remote start and/or inoperative remote lock and unlock that may be combined with diagnostic trouble codes (DTC) U0146:09 stored in the telematics control unit module (TCU) and U2402:00 and/or U2402:92 stored in the gateway module (GWM). This may be due to the software level in the GWM. To correct the condition, follow the Service Procedure to update the GWM to the latest software level via a coordinated flash.

FORD · 2023-06-02

Software Update 4 P4 for 2023 F-150 vehicles is now available. Quality improvements include: - Minimize time customer cannot enter the vehicle during future inhibit updates. - Addresses U0146-09 DTCs affecting vehicle connectivity

FORD · 2023-04-12

Some 2023 F-150 non-Lightning vehicles built on or before 28-Feb-2023 at Kansas City Assembly Plant or built on or before 07-Mar-2023 at Dearborn Truck Plant may experience an inoperative FordPass application, inoperative remote start and/or inoperative remote lock and unlock that may be combined with diagnostic trouble codes (DTC) U0146:09 stored in the telematics control unit (TCU) and U2402:00 and/or U2402:92 stored in the gateway module (GWM). This may be due to the software level in the GWM. To correct the condition, follow the Service Procedure to update the GWM to the latest software level via a coordinated flash.

FORD · 2023-03-31

Some 2023 Bronco vehicles built on or before 16-Mar-2023 may experience an inoperative FordPass application, inoperative remote start and/or inoperative remote lock and unlock that may be combined with diagnostic trouble codes (DTC) U0146:09 stored in the telematics control unit (TCU) and U2402:00 and/or U2402:92 stored in the gateway module (GWM). This may be due to the software level in the GWM. To correct the condition, follow the Service Procedure to update the GWM to the latest software level via a coordinated flash.

FORD · 2023-03-29

Certain 2023 Model Year F-150 Lightning Gateway Module Programing In all of the affected vehicles, the Gateway Module (GWM) may lose internet connection. This may cause the vehicle to experience an inoperative FordPass application (inability to review the vehicle's state of charge, inoperative remote start and/or inoperative remote lock and unlock). This may be combined with diagnostic trouble codes (DTC) U0146:09 stored in the telematics control unit (TCU) and U2402:00 and/or U2402:92 stored in the gateway module (GWM).

FORD · 2023-03-29

Some 2023 F-150 Lightning vehicles built on or before 22-Dec-2022 and 2023 F-150 vehicles built on or before 28-Feb-2023 at Kansas City Assembly Plant or built on or before 07-Mar-2023 at Dearborn Truck Plant may experience an inoperative FordPass application, inoperative remote start and/or inoperative remote lock and unlock that may be combined with diagnostic trouble codes (DTC) U0146:09 stored in the telematics control unit (TCU) and U2402:00 and/or U2402:92 stored in the gateway module (GWM). This may be due to the software level in the GWM. To correct the condition, follow the Service Procedure to update the GWM to the latest software level via a coordinated flash.

FORD · 2023-03-24

Some 2023 F-Super Duty vehicles may set diagnostic trouble codes (DTCS) U023A:00, U0159:00, and/or U0146:00 in the anti-lock brake system (ABS) module after the vehicle is remote started. This may be due to the image processing module A (IPMA) not communicating on the controller area network (CAN) during the remote starting event. Replacement or reprogramming of the ABS module or IPMA will not resolve this condition. U023A:00, U0159:00, and/or U0146:00 should be ignored if: no other DTCs are present in the ABS module, the malfunction indicator lamp (MIL) is not illuminated while the engine is running, and no drivability concerns are present. No further service action is required.

FORD · 2023-03-17

Some 2023 Bronco vehicles may experience inoperative remote start and/or remote lock and unlock through FordPass. Diagnostic trouble codes (DTCs) U0146:09 may be stored in the telematics control unit (TCU), and U2402:00 and/or U2402:92 may be stored in the gateway module (GWM). Inform the customer they can continue to drive the vehicle. A solution is planned for deployment via Ford Power-Up software updates delivered over-the-air (OTA) beginning April 2023. Software will update automatically on vehicles connected to FordPass. Monitor OASIS for additional updates. Schedule an appointment in April 2023 for customers that are not connected to FordPass once the repair is available.

FORD · 2023-03-10

Some 2023 F-150 vehicles built on or before 28-Feb-2023 at Kansas City Assembly Plant or 07-Mar-2023 at Dearborn Truck Plant, 2023 F-150 Lightning vehicles built on or before 13-Dec-2022, and 2023 Bronco vehicles may experience inoperative remote start and/or remote lock and unlock through FordPass. Diagnostic trouble codes (DTCs) U0146:09 may be stored in the telematics control unit (TCU), and U2402:00 and/or U2402:92 may be stored in the gateway module (GWM). Inform the customer they can continue to drive the vehicle. A solution is planned for deployment via Ford Power-Up software updates delivered over-the-air (OTA) beginning April 2023. Software will update automatically on vehicles connected to FordPass. Monitor OASIS for additional updates. Schedule an appointment in April 2023 for…

FORD · 2023-02-27

Some 2023 F-150/Bronco customers may experience inoperative remote start and/or remote lock and unlock through the FordPass application. Diagnostic trouble codes (DTCs) U0146:09 may be stored in the telematics control unit (TCU), and U2402:00 and/or U2402:92 may be stored in the gateway module (GWM). Inform the customer they can continue to drive the vehicle. A solution is planned for deployment via Ford Power-Up software updates delivered over-the-air (OTA) beginning June 2023. Software will update automatically on vehicles connected to FordPass. Monitor OASIS for additional information. Schedule a service appointment in late June 2023 for customers that are not connected to FordPass once the repair becomes available.

FORD · 2023-02-13

Some 2023 F-150 Lightning vehicles built on or before 13-Dec-2022 may experience an inoperative FordPass application, inoperative remote start and/or inoperative remote lock and unlock that may be combined with diagnostic trouble codes (DTC) U0146:09 stored in the telematics control unit (TCU) and U2402:00 and/or U2402:92 stored in the gateway module (GWM). This may be due to the software level in the TCU. To correct the condition, follow the Service Procedure to update the TCU to the latest software level via a coordinated flash.

CHEVROLET, GMC · 2020-12-22

This Preliminary information communicates an issue with the engine wiring harness shorting at the left front cylinder head causing any of the following issues: - IPC gauges sweeping while driving - Several IPC warning messages and MIL displayed - Any combination of the following DTC's: U0073 U0100 U0101 U0121 U0128 U0129 U0131 U0140 U0146 U0422 U2413 P0107 P0117 P0119 P0641 C2A07

CHEVROLET, GMC · 2020-05-07

This Preliminary information communicates an issue with the engine wiring harness shorting at the left front cylinder head causing any of the following issues: - IPC gauges sweeping while driving - Several IPC warning messages and MIL displayed - Any combination of the following DTC's: U0073 U0100 U0101 U0121 U0128 U0129 U0131 U0140 U0146 U0422 U2413 P0107 P0117 P0119 P0641 C2A07

CHEVROLET, GMC · 2019-09-30

This Preliminary information communicates an issue with the engine wiring harness shorting at the left front cylinder head causing any of the following issues: - IPC gauges sweeping while driving - Several IPC warning messages and MIL displayed - Any combination of the following DTC's: U0073 U0100 u0101 u0121 u0128 U0129 u0131 U0140 U0146 U0422 U2413 P0107 P0641 C2A07

AUDI · 2014-03-31

Supersedes Technical Service Bulletin Group 97 number 14-41 dated March 18, 2014. The MIL is on. Vehicle will not start. DTC P068A00 is stored in the engine control module (ECM), J623 (address word 01). Numerous unrelated DTCs are also stored in the system, including: P056200, P057100, P068700, P068A00, P162400, P190C00, U010000, U010100, U012100, U014600, U015500, U021200, U101100, U102600, U111100, U111300, U140000, VAG00003, VAG00185, VAG00263, VAG00317, VAG00384, VAG00446, VAG00456, VAG00457, VAG00466, VAG00473, VAG00532, VAG00565, VAG00591, VAG00714, VAG00819, VAG00955, VAG01217, VAG01299, VAG01314, VAG01315, VAG01317, VAG01320, VAG01330, VAG01331, VAG01332, VAG01334, VAG01333, VAG01336, VAG01705, VAG01964, VAG02067, VAG02072, VAG02095, VAG02103, VAG02203, VAG02214, VAG02635,…