P1555 GMC 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
First diagnose P1555 GMC code
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 terminals.
Cost of diagnosing the P1555 GMC code
Labor: 1.0The cost of diagnosing the P1555 GMC code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
P1555 GMC Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1555 GMC MeaningWith 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.
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