Engine-Codes - Generic - P1111

P1111 - Intake Valve Timing Control Solenoid Valve Circuit Bank 1

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3  What is this?
Table of contents

P1111 Possible Causes

  • Faulty Intake Valve Timing Control Solenoid Valve Bank 1
  • Intake Valve Timing Control Solenoid Valve Bank 1 harness is open or shorted
  • Intake Valve Timing Control Solenoid Valve Bank 1 circuit poor electrical connection

How is the P1111 code repair?

Start by checking 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.

What is the cost to diagnose the P1111 code

Labor: 1.0

The cost to diagnose the P1111 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.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Possible engine lack/loss of power
  • Possible engine rough idle

P1111 Meaning

Intake valve timing control solenoid valve is activated by ON/OFF pulse duty (ratio) signals from the ECM. The intake valve timing control solenoid valve changes the oil amount and direction of flow through intake valve timing control unit or stops oil flow.
The longer pulse width advances valve angle. The shorter pulse width retards valve angle.
When ON and OFF pulse widths become equal, the solenoid valve stops oil pressure flow to fix the intake valve angle at the control position.

More Information

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Information for specific makes

  • P1111 ACURA Intake Air Temperature Sensor Circuit Intermittent High Voltage
  • P1111 AUDI HO2S Control Bank 1 System Too Lean
  • P1111 BUICK Intake Air Temperature Sensor Circuit Intermittent High Voltage
  • P1111 CADILLAC Intake Air Temperature Sensor Circuit Intermittent High VoltageCode
  • P1111 CHEVROLET Intake Air Temperature Sensor Circuit Intermittent High Voltage  
  • P1111 DODGE Intake Air Temperature Sensor Circuit Intermittent High VoltageCode
  • P1111 FORD CAT System Fault
  • P1111 GMC Intake Air Temperature Sensor Circuit Intermittent High Voltage
  • P1111 HONDA Intake Air Temperature Sensor Circuit Intermittent High Voltage
  • P1111 HYUNDAI HO2S No Activity Detected In ECM
  • P1111 INFINITI Intake Valve Timing Control Solenoid Valve Circuit Bank 1
  • P1111 ISUZU Intake Air Temperature Sensor Circuit Intermittent High Voltage
  • P1111 JAGUAR CAT System Fault  
  • P1111 KIA Intake Air Temperature Sensor Circuit Intermittent High Voltage
  • P1111 NISSAN Intake Valve Timing Control Solenoid Valve Circuit Bank 1
  • P1111 PONTIAC Intake Air Temperature Sensor Circuit Intermittent High Voltage
  • P1111 SATURN Intake Air Temperature Sensor Circuit Intermittent High Voltage
  • P1111 SUBARU Atmospheric Pressure Sensor High Input
  • P1111 SUZUKI Intake Air Temperature Sensor Circuit Intermittent High Voltage
  • P1111 VOLKSWAGEN HO2S Control Bank 1 System Too Lean

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