Elektrozawór zmiany biegu A — usterka obwodu
P1745
WysokiTransmission line pressure too high for too long. Manufacturer-specific code, concerns the automatic transmission system (Chrysler, Dodge, Ford, Jeep, Nissan, and others).
OBD-II (EN): Transmission Line Pressure Too High For Too Long
Code P1745 means that the hydraulic pressure in the automatic transmission line remained too high for too long. This can be caused by a damaged solenoid, contaminated ATF fluid, or a problem with the TCM control module. Due to the complexity of the transmission hydraulic system, professional workshop diagnosis is recommended.
Symptoms
Hard or delayed gear shifts Transmission slippage MIL (Check Engine) light illuminated Transmission limp mode Jerking or thuds during gear shifts Transmission overheating
Possible causes
Damaged or stuck line pressure solenoid Low or contaminated ATF fluid in the transmission Damaged transmission control module (TCM) Disturbed communication between TCM and ECM (K-LINE error) Damaged pressure regulator or control valve Mechanical damage to the transmission oil pump Dirty or clogged transmission oil filter
Affected systems
Related codes
Elektrozawór zmiany biegów B — usterka
Code P1745 appears in these brands
Go to messages and symptoms for your brand — there we analyze this code together with other typical alerts.
Sources and further reading
Does code P1745 require professional diagnostics?
The code alone is not enough. To find the cause, you need to read live data, check freeze frame conditions, and compare with vehicle behavior. Book a diagnostic session.
