P0521 · 厂商技术资料

VOLVO · 2026-06-24

This is a TJ - Text plus 1 jpg - If the Check Engine Light is on and DTC ECM P052123 is stored, please follow the advice under "Service". with emphasis on the engine part numbers and serial numbers.

VOLVO · 2026-06-10

This is a TJ - Text plus 1 jpg - If the Check Engine Light is on and DTC ECM P052123 is stored, please follow the advice under "Service". with emphasis on the engine part numbers and serial numbers.

VOLVO · 2026-01-13

This is a TJ - Text plus 1 jpg - If the Check Engine Light is on and DTC ECM P052123 is stored, please follow the advice under "Service". with emphasis on the engine part numbers and serial numbers.

JEEP · 2025-03-22

"Powertrain Control Module (PCM) Wiring Harness Contacting PCM Bracket Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must set the following Diagnostic Trouble Code (DTC): ● P0235 - Turbocharger Pressure Sensor Signal Circuit Short To Ground. ● P0521 - Plausibility Monitoring Between Two Engine Oil Pressure Switch Inverted Mounting. ● P0253 - Metering Unit Electrical Failure Circuit Short To Ground. Customer may also comment on the following: ● Vehicle will not start. REPAIR SUMMARY: This bulletin involves inspecting and possibly taping or replacing the PCM harness"

BUICK, CHEVROLET · 2024-12-05

This Preliminary information communicates to the dealers information related to potential failed engine camshaft cover causing excessive engine oil consumption, blue smoke from the exhaust system at low mileage. Can also possibly cause a misfire or idle surge and may or may not set history or current codes P0300 P050D P0521 P06DE P1101. It advises inspections for potential engine camshaft cover replacement.

BUICK, CHEVROLET · 2024-08-16

This Preliminary information communicates to the dealers information related to potential failed engine camshaft cover causing excessive engine oil consumption and blue smoke from the exhaust system at low mileage. Can also possibly cause a misfire and may or may not set history or current codes P0300 P050D P0521 P06DE. It advises inspections for potential engine camshaft cover replacement.

BUICK, CHEVROLET · 2024-08-13

This Preliminary information communicates to dealers engine wiring harness inspections and engine oil pump diagnostic testing related to MIL on with P0521, P06DD or P06DE.

BUICK, CHEVROLET · 2024-08-13

This Preliminary information communicates to dealers engine wiring harness inspections and engine oil pump diagnostic testing related to MIL on with P0521.

CHEVROLET · 2024-03-18

This Preliminary information communicates to dealers engine wiring harness inspections and engine oil pump diagnostic testing related to MIL on with P0521.

BUICK, CHEVROLET · 2024-03-14

Emission Recall. General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles. The Engine Control Module (ECM) may not clear the permanent status of DTC P0521 (Engine Oil Pressure Sensor Performance). If the ECM had previously set a DTC P0521 and the permanent status is not properly cleared, the vehicle may not pass certain Emissions Inspection/Maintenance (I/M) tests. Dealers are to reprogram the ECM.

FORD, LINCOLN · 2023-07-03

Some 2020-2023 Explorer/Aviator vehicles equipped with a 3.0L EcoBoost may exhibit an illuminated malfunction indicator lamp (MIL) and low oil pressure warning in the instrument panel cluster (IPC), with diagnostic trouble codes (DTC) P0521 and/or P0524 in the powertrain control module (PCM). This condition may be caused by an internal oil pressure leak. If pinpoint test E in the Workshop Manual (WSM) Section 303-01B directs you to the replacement of the oil pump, upon reassembly inspect that the main oil gallery tube (6718) is assembled and aligned properly on the back of the engine front cover. The engine oil gallery seal (00815) must be replaced any time the front cover is removed (per WSM Section 303-01B). The WSM front cover removal and installation procedure is in the process of…

CHEVROLET · 2023-06-28

This Preliminary information communicates to dealers engine wiring harness inspections and engine oil pump diagnostic testing related to MIL on with P0521.

AUDI · 2023-02-02

This bulletin provides instructions for when the engine oil sensor warning lamp comes on and DTC P052100 is stored.

BUICK, CHEVROLET · 2022-12-13

Service Update. In certain vehicles, if the Engine Control Module (ECM) sets the DTC P0521 (Engine Oil Pressure Sensor Performance), the ECM cannot clear the permanent status of this DTC. If the ECM had previously set a DTC P0521 and the permanent status is not properly cleared, the vehicle may not pass certain Emissions Inspection/Maintenance (I/M) tests. Dealers are to reprogram the ECM.

AUDI · 2022-09-29

This Pending Service Solution requests that technicians submit a PSS record when DTC P052100 is present with an oil pressure fault.

AUDI · 2022-09-28

This Pending Service Solution requests that technicians submit a PSS record when DTC P052100 is present with an oil pressure fault.

AUDI · 2022-08-11

This bulletin advises to deactivate transport mode, or restart the engine first in instances where DTC P052100 with symptom code 29245 is present.

FORD · 2022-08-02

Some 2018-2021 F-150 3.3L, 2020-2021 Explorer 3.3L, and 2020-2021 Transit 3.5L may experience an illuminated low oil pressure and malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P0521 stored in the powertrain control module (PCM) after a short block or long block replacement. This may be due to a design change of the engine oil pressure (EOP) sensor, which is not backwards compatible. To correct the condition, transfer the sensor from the original engine or replace the EOP sensor with GN1Z-9D290-D.

VOLVO · 2022-05-25

13L Engines - High Engine Oil Pressure, Frequently Accompanied By P0521-64 Oil Pressure Sensor - Plausibility Fault

BUICK, CHEVROLET, GMC · 2022-03-11

This service bulletin provides a repair procedure to correct a customer concern of a MIL Illuminated with DTC P0172, P06DE and/or P0521 Set.

BUICK, CADILLAC, CHEVROLET, GMC · 2022-03-11

This service bulletin provides repair procedures, depending on model year, to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated with DTC P0172, P06DE and/or P0521 Set.

CADILLAC, CHEVROLET, GMC · 2022-01-28

This Preliminary Information communication provides steps the technician will uses to diagnose and repair vehicles that have low oil pressure after an oil change with the engine Regular Production Option Code L20, L77, L94, L96, L99, L9H, LC8, LC9, LH9, LMF, LMG, LY6, or LZ1. Vehicle may have Service Engine Soon lamp with Diagnostic Trouble Code P0521 or Low Oil Pressure message on the instrument panel. Dealer will need to determine if bulletin 10-06-01-008 was completed. If the bulletin was performed inspect the left rocker cover. Dealer will insure the left rocker can hold water without leaking. If leaks are found apply room temperature vulcanization silicone to the rocker cover if possible or replace the left rocker cover.

BUICK, CHEVROLET · 2021-12-22

This Preliminary information communicates to the dealers information related to isolating a potential engine wiring harness issue causing a MIL on with P0521.

BUICK, CHEVROLET · 2021-11-09

This Preliminary information communicates to the dealers information related to isolating a potential engine wiring harness issue causing a MIL on with P0521.

BUICK, CHEVROLET · 2021-11-08

This Preliminary information communicates to the dealers information related to isolating a potential engine wiring harness issue causing a MIL on with P0521.

CHEVROLET, GMC · 2021-04-21

This Preliminary information communicates the following issues and directs dealership to inspect the engine harness for shorting. Some customers may comment on any of the following concerns: - SES MIL - No Start - No Crank - Engine runs rough - Reduced engine power - Erratic speedo - Blown Fuse(s): F46UA, F47UA, F51UA, F78UA, F85UA, F86UA, F87UA, and/or F90UA When checking for DTC's any combination may be found: C15AA P001A P2B00 P2B01 P2B03 P2B96 P001B P003D P0107 P018C P01E5 P01E6 P01E7 P0237 P0340 P0341 P0355 P0365 P037C P03F0 P0521 P0522 P0532 P0616 P077C P07BF P0707 P1101 P112F P146D P159F p16A0 p16A2 P171B P2122 P26E5 P2812 P2814 P2B53 P2C05 P2C08 P2C09 P2C0C P2C0D P2C10 P2C12 P2C15 P2C16 P2C19 P305E P3084 P3089 P308E P3093 P3094 P3095 P3098 P30B0 P30B3 P30CF U0073 U0100 U0101 U0140…

CHEVROLET · 2020-10-23

This service bulletin provides a service procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTCs P0521 and/or P06DD Set.

BUICK, CHEVROLET · 2020-06-04

Service Update - On certain vehicles, the engine oil pump may be stuck due to foreign material, and diagnostic trouble codes (DTC) P0521, P06DE, P06DD could be set. Dealers are to perform the engine oil pump screening test and if necessary, replace the oil pump.

BUICK · 2020-04-14

Service Update Bulletin. On certain vehicles, the engine oil pump may be stuck due to foreign material, and diagnostic trouble codes (DTC) P0521, P06DE, P06DD could be set. Dealers are to perform the engine oil pump screening test.

CHEVROLET, GMC · 2020-03-24

This Preliminary information communicates the following issues and directs dealership to inspect the engine harness for shorting. Some customers may comment on any of the following concerns: - SES MIL - No Start - No Crank - Engine runs rough - Reduced engine power - Erratic speedo - Blown Fuse(s): F46UA, F47UA, F51UA, F78UA, F85UA, F86UA, F87UA, and/or F90UA When checking for DTC's any combination may be found: C15AA P001A P2B00 P2B01 P2B03 P2B96 P001B P003D P0107 P018C P01E5 P01E6 P01E7 P0237 P0340 P0341 P0355 P0365 P037C P03F0 P0521 P0522 P0532 P0616 P077C P07BF P1101 P112F P146D P159F p16A0 p16A2 P171B P2122 P26E5 P2812 P2814 P2B53 P2C05 P2C08 P2C09 P2C0C P2C0D P2C10 P2C12 P2C15 P2C16 P2C19 P305E P3084 P3089 P308E P3093 P3094 P3095 P3098 P30B0 P30B3 P30CF U0073 U0100 U0101 U0140 U0644…