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DTC Codes... What is the oil supply solenoid valve?
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Thread: DTC Codes... What is the oil supply solenoid valve?

  1. #1
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    DTC Codes... What is the oil supply solenoid valve?

    I've brought the car in a few times already and they can't seem to wrap their heads around it. One time the service manager asked if I just wanted to trade the car in. Yes, because I've always wanted a second version of a car that no one could fix.

    Any ideas what the oil supply solenoid valve is?



    Codes that keep coming back..
    P1021 - Cylinder 1 Oil Supply Solenoid Valve Component Damage
    P1022 - Cylinder 2 Oil Supply Solenoid Valve Component Damage
    P1061 - Cylinder 1 Oil Supply Solenoid Valve Stuck
    P1062 - Cylinder 2 Oil Supply Solenoid Valve Stuck
    [12] Abarth | [04] Z06 | [06] CBR600RR

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    Stuck at work, but I'll look it up when I get home.

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    Quote Originally Posted by nyc eng View Post
    I've brought the car in a few times already and they can't seem to wrap their heads around it. One time the service manager asked if I just wanted to trade the car in. Yes, because I've always wanted a second version of a car that no one could fix.

    Any ideas what the oil supply solenoid valve is?



    Codes that keep coming back..
    P1021 - Cylinder 1 Oil Supply Solenoid Valve Component Damage
    P1022 - Cylinder 2 Oil Supply Solenoid Valve Component Damage
    P1061 - Cylinder 1 Oil Supply Solenoid Valve Stuck
    P1062 - Cylinder 2 Oil Supply Solenoid Valve Stuck
    Well, I don't why they're having an problem figuring it out.
    Sounds like Cylinder 1, 2 solenoid have a problem and not allowing the intake valves proper operation.

    Last edited by Jester49; 11-03-2014 at 10:28 PM.

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    Quote Originally Posted by Jester49 View Post
    Well, I don't why they're having an problem figuring it out.
    Sounds like Cylinder 1, 2 solenoid have a problem and not allowing the intake valves proper operation.


    The service manager keeps saying my software just needs updating..
    [12] Abarth | [04] Z06 | [06] CBR600RR

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    P1061: CYLINDER 1 OIL SUPPLY SOLENOID VALVE STUCK

    Theory of Operation
    MultiAir is an electronically controlled variable intake valve phase and lift system. Unlike conventional intake valve phase and lift system which controls all the cylinder intake valves simultaneously and in the same proportion; MultiAir, through the use of an electronically controlled hydraulic link between the camshaft and intake valve, allow for each intake valve to be controlled independently. The valve lift and timing can be adjusted infinitely.


    The MultiAir valve train has a mechanical camshaft lobe acting on a hydraulic pump located between the camshaft intake lobe and the intake valve. The pump provides oil under pressure to a two-way electro-hydraulic solenoid valve called the Variable Valve Actuator (VVA) Solenoid. The VVA Solenoid is electronically controlled during the specific intake cam lobe event by the Powertrain Control Module (PCM). During the event the VVA Solenoid is commanded to either hold oil pressure or bleed oil. The Variable Valve Actuator (VVA) Solenoid is a normally open solenoid. The PCM provides 12 volts to close the solenoid. The position of the VVA Solenoid determines the intake valve timing and lift. This change on valve action is similar to creating a change in the camshaft lobe profile affecting lift and duration of the valve opening.

    When Monitored:
    This diagnostic runs continuously when the following conditions are met:

    The engine is running with no battery voltage or ASD Relay faults active.

    Set Conditions:
    The Powertrain Control Module (PCM) monitors the feedback current and determines that the VVA Solenoid is stuck.

    Default Actions:
    The MIL is illuminated on the first trip that the diagnostic fails.
    The MIL will be turned off on the third consecutive trip that the diagnostic passes.


    Possible Causes
    1. VVA SOLENOID

    2. CHECK THE ENGINE OIL

    NOTE: The actuators will not operate if the oil pressure is too low or too high.

    Check the engine for the following:

    • LOW ENGINE OIL
    • INCORRECT OIL FILTER THAT DOES NOT MEET OEM SPECIFICATIONS
    • OIL DIRTY OR DETERIORATED (Lack of scheduled oil changes)
    • CORRECT VISCOSITY AND WEIGHT
    • ENGINE OIL CONTAMINATED (i.e., coolant and/or fuel)
    • Is oil level, type, condition, and filter correct?


    3. CHECK OIL PRESSURE / ENGINE MECHANICAL

    1. Remove the Oil Pressure Switch and install a mechanical oil pressure gauge.
    2. Crank the engine for at least 10 seconds and check the oil pressure at the Oil Pressure Switch location.
    3. Is the oil pressure between 0.8 bar (11.6 psi) and 7.5 bar (108.8 psi) ?



    Yes
    Replace the Variable Valve Actuator Assembly

    No
    Repair as necessary.

    P1021- CYLINDER 1 OIL SUPPLY SOLENOID VALVE COMPONENT DAMAGE


    When Monitored:
    Continuously with the ignition on and no battery voltage DTCs present.


    Set Condition:
    The Powertrain Control Module (PCM) internal Solenoid driver programming has failed. One trip fault.


    Possible Causes


    POWERTRAIN CONTROL MODULE (PCM)



    1. Check the Powertrain Control Module (PCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace the Powertrain Control Module.


    courtesy of FCA

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  7. #6
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    Quote Originally Posted by Fiat500USA View Post
    POWERTRAIN CONTROL MODULE (PCM)
    1. Check the Powertrain Control Module (PCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace the Powertrain Control Module.


    courtesy of FCA
    Well that explains why the tech was pushing on the PCM during my last visit..
    [12] Abarth | [04] Z06 | [06] CBR600RR

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    i just had a pcm code, took it to dealer and they updated software. they tell me, if it comes on again. bring it in. this was a month ago.
    now i just got a misfire with a code P1061. i feel like i bought a lemon, seems like one problem after another. i currently have 23,000 miles.

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