P0943

Hydraulic Pressure Unit Cycling Period Too Short

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Incorrect gear shifting
Jerks when switching
Gear shift delay
Transmission fluid overheating
Check Engine Light Illuminates

Causes

Low transmission fluid level
Contaminated transmission fluid
Malfunction of the hydraulic control unit
Problems with solenoid valves
Malfunction of pressure sensors

How to Fix

Check the level and condition of the transmission fluid
Flush and replace transmission fluid if necessary
Check the operation of the solenoid valves
Diagnose the hydraulic control unit
Check electrical connections and wiring harness

Related codes

P0944 P0945 P0946