P1046 Chrysler Code - Cylinder 1 Oil Supply Solenoid Valve Overcurrent
Quick Answer
Multi-Air is an electronically controlled variable intake valve phase and lift system. Common causes include Faulty Variable Valve Actuator (VVA) Solenoid, Variable Valve Actuator Solenoid harness is open or shorted, Variable Valve Actuator Solenoid circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1046 Chrysler indicates Cylinder 1 Oil Supply Solenoid Valve Overcurrent.
- Common causes
- Common causes include Faulty Variable Valve Actuator (VVA) Solenoid, Variable Valve Actuator Solenoid harness is open or shorted, Variable Valve Actuator Solenoid circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P1046 Chrysler Description
The Multi-Air 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 the lift and duration of the valve opening. The Diagnostic Trouble Code (DTC) will be set when the Variable Valve Actuator (VVA) solenoid current feedback level in voltage is out of range.
What are the Possible Causes of the DTC P1046 Chrysler?
- Faulty Variable Valve Actuator (VVA) Solenoid
- Variable Valve Actuator Solenoid harness is open or shorted
- Variable Valve Actuator Solenoid circuit poor electrical connection
- Faulty Powertrain Control Module (PCM)
How to Fix the DTC P1046 Chrysler?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1046 Chrysler code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P1046 Chrysler Code
What does the OBDII code P1046 mean on a Chrysler?
The P1046 code indicates "Cylinder 1 Oil Supply Solenoid Valve Overcurrent," meaning the oil control solenoid for cylinder 1 is experiencing excessive current draw or an electrical fault.
What are the common symptoms of the P1046 code?
Symptoms may include an illuminated check engine light, reduced engine performance, rough idling, misfires, or poor fuel efficiency.
What causes the P1046 code to appear?
Causes include a short circuit in the oil control solenoid wiring, a faulty oil control solenoid, low or dirty engine oil, or a problem with the engine control module (ECM).
Can I drive my Chrysler with the P1046 code?
Driving with this code is not recommended as it can lead to engine performance issues, increased wear, or further damage if not addressed promptly.
How do I diagnose the P1046 code?
Diagnosis typically involves checking the wiring and connectors of the oil control solenoid, inspecting the solenoid itself, and ensuring proper oil levels and cleanliness.
How do I fix the P1046 code?
Repairs may include replacing the oil control solenoid, repairing damaged wiring or connectors, cleaning or replacing the oil, or updating/reprogramming the ECM if necessary.
Can low or dirty oil cause the P1046 code?
Yes, low or dirty engine oil can affect the operation of the oil control solenoid and trigger the P1046 code.
What tools are needed to troubleshoot the P1046 code?
You may need an OBDII scanner, a multimeter to check electrical connections, and basic tools for inspecting and replacing components.
How much does it cost to fix a P1046 code?
Repair costs vary but may range from $100 to $300 if replacing the solenoid, with additional costs for labor or other parts if wiring or oil issues are involved.
What happens if the P1046 code is ignored?
Ignoring the code can lead to worsening engine performance, potential engine damage, and higher repair costs over time.
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