7089 SPN Fault Code

Name:

Engine Cylinder Head Bypass Actuator 1 Temperature Status

Description:

Identifies the status of the Engine Cylinder Head Bypass Blowoff Actuator 1 drive circuitry temperature. Temperature excursions may affect the torque output.Cylinder Head bypass valve is used to release the air at the high pressure compressor outlet into turbocharger turbine inlet when intake pressure exceeds exhaust pressure at lower engine speeds and thereby controlling compressure surge. 000b = High Most severe 001b = High Least severe 010b = In Range 011b = Low Least severe 100b = Low Most severe 101b = Not Defined 110b = Error 111b = Not available

7089 spn fault code name is Engine Cylinder Head Bypass Actuator 1 Temperature Status. If you don't take the time to look into 7089 spn fault when it arises, it can add up quickly. One small issue like 7089 can cause a larger component to become damaged without taking the time to investigate. If you suspect your truck is suffering from one of these issues, look into replacing those small components to save money down the road.

Note: The name and description of 7089 code represents text descriptions for faults supported by another coding system and does not necessarily comply with SAE J1939. For a specific engine manufacturer's explanation for codes, please consult the engine's technical manual. See also other spn codes.

7089 SPN Fault Code

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