Electronic Variable Orifice Output
Table of contents
P1555 BUICK Possible Causes
- Faulty Electronic Variable Orifice (EVO) solenoid
- Electronic Variable Orifice (EVO) solenoid harness is open or shorted
- Electronic Variable Orifice (EVO) solenoid circuit poor electrical connection
How do I fix code P1555 BUICK?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P1555 BUICK code
The cost of diagnosing the P1555 BUICK code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1555 BUICK Description
With the engine runtime over 2.5 seconds, vehicle speed over 10 mph, current flowing in Electronic Variable Orifice (EVO) solenoid (to increase steering effort), the Powertrain Control Module (PCM) detects that desired and feedback current did not match.