P1042 Chrysler Code - Implausible Data From Cylinder 2 Oil Supply Solenoid Valve Received
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
- P1042 Chrysler indicates Implausible Data From Cylinder 2 Oil Supply Solenoid Valve Received.
- 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 P1042 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 PCM detects that the VVA Solenoid feedback current level is implausible.
What are the Possible Causes of the DTC P1042 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 P1042 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 P1042 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 P1042 Chrysler Code
1. What does the OBDII code P1042 mean on a Chrysler vehicle?
P1042 indicates that the Engine Control Module (ECM) has detected implausible or inconsistent data from the Cylinder 2 oil supply solenoid valve, which helps regulate oil flow for variable valve timing.
2. What are the common symptoms of the P1042 code?
Symptoms may include poor engine performance, rough idling, decreased fuel efficiency, an illuminated Check Engine Light, and potential difficulty starting the engine.
3. What causes the P1042 code on a Chrysler?
Common causes include a faulty oil supply solenoid valve, low or dirty engine oil, wiring or connection issues to the solenoid valve, or a malfunctioning ECM.
4. Can low oil levels trigger the P1042 code?
Yes, low oil levels or dirty oil can disrupt the solenoid valve's function, potentially causing the P1042 code to appear.
5. How do I diagnose the P1042 code?
Start by checking the oil level and condition, inspect wiring and connectors for damage, and test the solenoid valve for proper operation. Use a scan tool to monitor real-time data from the valve.
6. Is it safe to drive with the P1042 code?
Driving with the P1042 code is not recommended, as it may lead to reduced engine performance or further damage to engine components.
7. How can I fix the P1042 code on my Chrysler?
Repairs may include replacing the oil supply solenoid valve, changing the engine oil and filter, repairing damaged wiring or connectors, or reprogramming/updating the ECM if necessary.
8. How much does it cost to repair the P1042 code?
Costs vary depending on the repair, but replacing the oil supply solenoid valve typically costs $150–$400, including parts and labor.
9. Can a faulty ECM cause the P1042 code?
Yes, though it's less common, a malfunctioning ECM can misinterpret data or fail to communicate with the solenoid valve, triggering the P1042 code.
10. How can I prevent the P1042 code from occurring?
Regular oil changes with the recommended oil type, inspecting wiring and connectors periodically, and addressing engine warning lights promptly can help prevent this code.
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