AutoCodesJeep – P103D Jeep

P103D Jeep Code - Cylinder 3 Oil Supply Solenoid Valve Driver Short To Ground

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
P103D Jeep indicates Cylinder 3 Oil Supply Solenoid Valve Driver Short To Ground.
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.
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Code Popularity 529
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 25, 2024
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Code P103D Jeep Description

Multi-Air 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; Multi-Air, through the use of an electronically controlled hydraulic link between the camshaft and intake valve, allows for each intake valve to be controlled independently. The valve lift and timing can be adjusted infinitely.
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 a short to ground in the Solenoid Signal or Return circuit.
OBDII Code P103D Jeep - Cylinder 3 Oil Supply Solenoid Valve Driver Short To Ground - AutoCodes.com
P103D Jeep Code - Cylinder 3 Oil Supply Solenoid Valve Driver Short To Ground

What are the Possible Causes of the DTC P103D Jeep?

  • 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 P103D Jeep?

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 P103D Jeep 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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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P103D Jeep Code

1. What does the OBDII code P103D mean on a Jeep?

P103D indicates a problem with the Cylinder 3 Oil Supply Solenoid Valve Driver, specifically a short to ground in the circuit.

2. What are the common symptoms of code P103D in a Jeep?

Symptoms may include rough idling, reduced engine performance, misfires in cylinder 3, and the check engine light being illuminated.

3. What causes the P103D code to appear in a Jeep?

Common causes include a damaged or shorted oil supply solenoid valve, wiring issues such as frayed or exposed wires, or a fault in the engine control module (ECM).

4. Can I drive my Jeep with the P103D code active?

It is not recommended to drive with this code active, as it can lead to further engine damage or reduced performance due to improper oil flow in the affected cylinder.

5. How do I diagnose the P103D code on my Jeep?

Diagnose the code by inspecting the wiring and connectors for Cylinder 3’s oil supply solenoid, testing the solenoid valve for proper resistance, and checking for shorts to ground.

6. How do I fix the P103D code on a Jeep?

Repairs may include replacing the oil supply solenoid valve for Cylinder 3, repairing or replacing damaged wiring, or in rare cases, replacing the ECM.

7. What tools are needed to troubleshoot the P103D code?

You’ll need an OBDII scanner, a multimeter to test for electrical shorts, and potentially basic hand tools to access and inspect components.

8. Can a faulty ECM cause code P103D to appear in a Jeep?

Yes, a malfunctioning ECM can sometimes cause this code, though it is less common compared to wiring or solenoid issues.

9. How much does it cost to repair the P103D code on a Jeep?

The cost can vary but typically includes $50–$150 for a replacement solenoid valve and additional labor costs if performed by a mechanic.

10. Will clearing the code with an OBDII scanner fix the P103D issue?

Clearing the code will not fix the underlying issue. The root cause, such as a faulty solenoid or wiring problem, must be addressed to prevent the code from returning.

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