Technical Definition:

Idle Up Solenoid 2 Circuit

Technical Description:

Possible Causes:

Possible Symptoms:

Idle Control System Circuit Shorted

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

Technical Definition:

Idle Up Solenoid 1 Circuit

Technical Description:

Possible Causes:

Possible Symptoms:

Idle Control System Circuit Open

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

Technical Definition:

Idle Air Control Underspeed Error (see P0506)

Technical Description:

Possible Causes:

Possible Symptoms:

Idle Air Control Underspeed Error

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

Technical Definition:

Idle Air Control Overspeed Error (see P0507)

Technical Description:

Possible Causes:

• A vacuum leak
• Leaking air intake after the throttle body
• EGR valve leaking vacuum
• A faulty positive crankcase ventilation (PCV) valve
• Damaged/failed/dirty throttle body
• Failed EVAP system
• Failed IAC (idle air controller) or faulty IAC circuit

Possible Symptoms:

Idle Air Control System At Adaptive Clip

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

Technical Definition:

Idle Air Control System At Adaptive Clip

Technical Description:

Possible Causes:

Possible Symptoms:

Idle Air Control System At Adaptive Clip

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

Technical Definition:

Idle Air Control Circuit (see P0511)

Technical Description:

Possible Causes:

Possible Symptoms:

Intake Air Control Circuit Malfunction

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

Technical Definition:

Auxiliary Speed Sensor

Technical Description:

Possible Causes:

Possible Symptoms:

Auxiliary Speed Sensor Fault

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

Technical Definition:

Vehicle Speed Sensor Intermittent

Technical Description:

Possible Causes:

Possible Symptoms:

Vehicle Speed Sensor Intermittent Malfunction

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

Technical Definition:

Vehicle Speed Sensor Out Of Self Test Range

Technical Description:

Possible Causes:

Possible Symptoms:

Vehicle Speed Sensor Out Of Self Test Range

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

Technical Definition:

Vehicle Speed Sensor

Technical Description:

Possible Causes:

Possible Symptoms:

Vehicle Speed Sensor Intermittent

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

Technical Definition:

EGR Stepper Motor 4 Control Circuit Low/High

Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

Technical Definition:

EGR Stepper Motor 3 Control Circuit Low/High

Technical Description:

Possible Causes:

Possible Symptoms:

Exhaust Gas Recirculation Valve Position Sensor Circuit High Voltage

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

Technical Definition:

EGR Stepper Motor 2 Control Circuit Low/High

Technical Description:

Possible Causes:

Possible Symptoms:

Radiator Fan Control Relay Circuit

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

Technical Definition:

EGR Stepper Motor 1 Control Circuit Low/High

Technical Description:

Possible Causes:

Possible Symptoms:

Radiator Fan Control Relay Circuit

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

Technical Definition:

TCSPL Solenoid Circuit

Technical Description:

Possible Causes:

Possible Symptoms:

TCSPL Solenoid Circuit Malfunction

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

Technical Definition:

SPCUT Solenoid Circuit

Technical Description:

Possible Causes:

Possible Symptoms:

SPCUT Solenoid Circuit Malfunction

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

Technical Definition:

RCNT Solenoid Circuit

Technical Description:

Possible Causes:

Possible Symptoms:

RCNT Solenoid Circuit Malfunction

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

Technical Definition:

APLSOL Solenoid Circuit

Technical Description:

Possible Causes:

Possible Symptoms:

APLSOL Solenoid Circuit Malfunction

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

Technical Definition:

Secondary Switch Solenoid Circuit

Technical Description:

Possible Causes:

Possible Symptoms:

Secondary Switch Solenoid Circuit Malfunction

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

Technical Definition:

Secondary Air Relief Solenoid Circuit

Technical Description:

Possible Causes:

Possible Symptoms:

Vacuum Cut Valve Bypass Valve

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes: