U019F · 厂商技术资料

MERCEDES-BENZ, MERCEDES-MAYBACH · 2026-09-17

Complaint Red coolant warning in instrument cluster. Fault codes U019F00 or U019F87 current/stored in MRG1 control unit. Cause Various causes Remedy Perform guided test for fault code U019F with XENTRY diagnosis. Verify the following connections are clean and tight. Correct any problems and retest pump actuation: ‐12V plug at M75/11 ‐48V plug at M75/11 ‐48V connector X192/4 ‐Connections at 48V fuse box F153/2 ‐Sockets 1,2, and 5 at connector 2 of MRG1 control unit ‐M75/11 circuit 41 ground If actuation and above connections are OK, but resistance between M75/11 and engine block is less than 2 ohms or heat shield touching coolant pump, proceed with below steps. 1‐Modify engine insulation per attached instructions. 2‐Remove engine control module and measure continuity within control unit…

MAZDA · 2026-09-10

This Service Alert supersedes the previously issued SA(s) listed below. The changes are noted in Red. SA-029/24 05/09/24 DESCRIPTION The CX-90 and CX-70 PHEV are equipped with two electric water pumps that look similar but have different part numbers. CAUTION: If the wrong water pump is ordered or they are reversed, DTC U019F could be set.

MAZDA · 2024-05-10

The CX-90 and CX-70 PHEV are equipped with two electric water pumps that look similar but have different part numbers. CAUTION: If the wrong water pump is ordered or they are reversed, DTC U019F could be set.

MAZDA · 2024-05-10

The CX-90 and CX-70 PHEV is equipped with two electric water pumps that look similar but have different part numbers and functionalities. CAUTION: If the wrong water pump is ordered or they are installed reversed, DTC U019F could be set.

MERCEDES-BENZ · 2023-02-23

Complaint Check engine light illuminated Red coolant warning in instrument cluster Fault codes U019F00 or U019F87 stored in PTCU (N127) Cause Electric coolant pump communication Remedy 1-Check electric connections on electric coolant pump M75/11 for clean/tight installation. Repair as needed. 2-Update software of MED40 control unit. 3-Replace electric coolant pump M75/11 with part A2742004900.

MERCEDES-BENZ · 2022-11-10

Complaint Red coolant warning in instrument cluster. Fault codes U019F00 or U019F87 current/stored in MRG1 control unit. Cause Various causes Remedy Perform guided test for fault code U019F with XENTRY diagnosis. Verify the following connections are clean and tight. Correct any problems and retest pump actuation: -12V plug at M75/11 -48V plug at M75/11 -48V connector X192/4 -Connections at 48V fuse box F153/2 -Sockets 1,2, and 5 at connector 2 of MRG1 control unit -M75/11 circuit 41 ground If actuation and above connections are OK, but resistance between M75/11 and engine block is less than 2 ohms or heat shield touching coolant pump, proceed with below steps.

MERCEDES-BENZ · 2020-07-13

Coolant temperature warning in IC DTCs P0A9300, P26CE22, U011564, U019F00 in various control modules

FORD, LINCOLN · 2019-02-06

Some 2013-2019 Fusion/MKZ and 2013-2018 C-Max vehicles with 2.0L HEV/PHEV engine may exhibit multiple drivability or electrical concerns with one or more diagnostic trouble codes, being the most common P26C3, P26CA, P26D0, P2800, P2802, U019F and U0284. On Fusion/MKZ inspect connectors C146, C1651, C1812, C168C, C1717 and C134 for signs of water entry or corrosion. On C-Max, inspect connectors C134, C140, C144, C1651, C1717 and C1812 and service as necessary. NOTE: Connector C1717 is only equipped on PHEVs for both Fusion and C-Max.

FORD · 2017-10-06

Some 2017 C-MAX vehicles built 1-Jun-2017 and through 26-Sep-2017 may exhibit an illuminated MIL with DTCs P26D0, P26CA, P059F, U019F, U0194, U091F and/or U0284. This may be due to water in the jumper harness connector C1651 and the attached connector on the active grill shutter actuator. Remove connector, clean and dry, add electrical grease Motorcraft XG-12 or equivalent to the terminals. Engineering is investigating, monitor OASIS for updates.

FORD, LINCOLN · 2014-02-07

FORD: THE ENGINE LAMP OR THE WRENCH WILL BE ILLUMINATED WITH DIAGNOSTIC TROUBLE CODES (DTCS) P26CA AND/OR U019F. MODEL 2013-2014 FUSION, MKZ. *PE