P3016moderate severityPowertrain
Exhaust Valve Control Solenoid Circuit Intermittent Bank 1
on 2010 GMC Terrain 2.4L I4 · FWD
What this code means
The exhaust valve control solenoid on Bank 1 has an intermittent electrical connection.
Symptoms
- Check Engine Light intermittent
- Occasional rough idle
- Sporadic emissions increase
- Variable idle quality
- Check Engine Light clears and returns
Common causes
- Loose solenoid connector
- Wiring intermittent near exhaust
- Solenoid failing under heat
- Connector corrosion
- Vibration-related wire break
Diagnostic steps
- Monitor exhaust VVT data for dropouts
- Wiggle test on solenoid connector
- Inspect wiring near exhaust manifold
- Test solenoid hot and cold
- Check connector integrity
Repair notes
Replace exhaust VVT solenoid or repair intermittent wiring.
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Other Powertrain codes on this vehicle
P0001
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P0002
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P0003
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P0004
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P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
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P0012
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P0013
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P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1