P0010 on 2018-2022 Mitsubishi Eclipse Cross: Intake Camshaft Actuator Circuit Fault Causes and Fixes

What's Unique About the 2018-2022 Mitsubishi ECLIPSE CROSS

For the 2018-2022 Eclipse Cross, the P0010 code is part of a family of camshaft timing codes (P0010-P0017) that are the subject of multiple Technical Service Bulletins (TSBs). Mitsubishi has explicitly issued instructions for dealers to reprogram the Engine Control Module (ECM) to address these codes, indicating that a software glitch can be the root cause, not just a hardware failure. This makes a trip to the dealer for a potential software update a unique and critical first step. Furthermore, the 1.5L 4B40 engine was only sold in the USA in the Eclipse Cross, making its service history and common issues distinct from other Mitsubishi models 🎬 Watch: A detailed mechanical review of the Eclipse Cross engine. that may use this engine in other markets.

Diagnostic Flowchart

Tap your situation to follow the diagnostic path that matches what you're seeing on this vehicle.

Symptoms You May Notice

• Check Engine Light is on
• Rough or unstable idle
• Reduced engine performance and acceleration
• Decreased fuel economy
• Engine may be difficult to start
• Engine hesitation or stalling at low speeds

Most Likely Causes

1. Engine Control Module (ECM) Software Update Needed 🔴 High Probability Mitsubishi issued a Technical Service Bulletin (TIN-20-13-001REV) specifically instructing dealers to reprogram the ECM for codes P0010-P0017 on this vehicle, indicating a known software logic issue.
   How to confirm: A Mitsubishi dealer or a shop with a MUT-III or equivalent scan tool can check the current software ROM ID against the latest version available from the manufacturer as listed in the TSB.
   Typical fix: Reprogramming (reflashing) the ECM with the updated software provided by Mitsubishi. This is a dealer-only or specialist repair.
   Est. part cost: $0
2. Faulty Intake Oil Control Valve (VVT Solenoid) 🔴 High Probability This is the most common hardware failure for this code across all makes. The solenoid is a small electro-mechanical valve that operates in hot engine oil and can become clogged with sludge or fail electrically over time.
   How to confirm: Use a multimeter to check the solenoid's resistance between its two terminals. 🎬 Watch: How to test a VVT solenoid with a multimeter. Per the Mitsubishi service manual, the standard value should be between 6.9 and 7.9 Ω at 20°C (68°F). If the reading is outside this range or shows an open circuit, the solenoid is bad. A bidirectional scan tool can also command the solenoid to operate; a failure to respond indicates a problem.
   Typical fix: Replace the intake oil control valve. It is typically accessible on the top or side of the engine valve cover, held by a single 10mm bolt.
   Est. part cost: $150-$280
3. Low or Dirty Engine Oil 🟡 Medium Probability The MIVEC system is hydraulic and highly dependent on oil pressure and cleanliness. Old, sludgy, or low-level oil can clog the fine mesh screens on the oil control valve or impede its mechanical function, leading to an electrical fault code when the ECM detects the circuit is not responding as expected.
   How to confirm: Check the engine oil level on the dipstick and inspect its condition. If the oil is very dark, thick, or below the minimum level, this is a likely contributor.
   Typical fix: Perform an engine oil and filter change using the manufacturer-specified oil weight and type (0W-20 full synthetic is common).
   Est. part cost: $40-$80
4. Damaged Wiring or Connectors ⚪ Low Probability
   How to confirm: Visually inspect the wiring harness and connector (B-18) going to the intake oil control valve for any signs of damage, corrosion, or loose pins. Use a multimeter to check for continuity and proper voltage at the connector. With the ignition ON, there should be battery voltage between terminal 2 of the harness connector and ground.
   Typical fix: Repair or replace the damaged section of the wiring harness or the connector itself.
   Est. part cost: $10-$100

Rare But Worth Checking

• Failed Engine Control Module (ECM): This is a very rare cause. All other possibilities, especially software updates, the solenoid itself, and wiring, should be thoroughly ruled out before considering ECM replacement, which is expensive and requires programming.

Diagnosis Steps

1. Check Engine Oil Level and Condition: Ensure the oil is full and clean. If low or dirty, perform an oil change, clear the code, and see if it returns. This is the simplest and cheapest first step.
2. Check for TSBs: Contact a Mitsubishi dealer with your VIN to see if the ECM software update from TSB TIN-20-13-001REV applies to your vehicle and has been performed. This is a known issue for this model and a primary diagnostic step.
3. Inspect Wiring: Visually inspect the wiring and connector for the intake oil control valve (VVT solenoid) for any obvious damage, corrosion, or loose connections.
4. Test the Solenoid Circuit: Use a multimeter to check for power at the solenoid's harness connector. Disconnect the connector and turn the ignition to 'ON'. You should measure battery voltage between terminal 2 and a good ground. If there is no voltage, check the MFI relay and wiring back 🎬 See this guide on fixing an open actuator circuit fault. to the power source.
5. Test the Solenoid: If the circuit has power, test the solenoid itself. Disconnect it and measure its internal resistance with a multimeter between its two pins. It should be 6.9 - 7.9 Ω at 20°C (68°F). If it's outside this range, it's faulty.
6. Replace the Solenoid: If the solenoid fails the resistance test, replace it. It is held by one 10mm bolt.
7. Further Diagnosis: If the code persists after these steps, a more complex issue with the ECM driver circuit or an intermittent wiring problem may be present, requiring professional diagnosis with advanced tools.

Parts You'll Likely Need

• Intake Engine Oil Control Valve / VVT Solenoid (OEM #1028A134) — This is the most common hardware component to fail for a P0010 code. It can get clogged with oil sludge or fail electrically.
  Trusted brands: Mitsubishi Genuine
  OEM price range: $215-$285
  Aftermarket price range: $80-$150

Related Codes That Often Appear With This One

• P0011 — P0011 indicates 'Camshaft Position Timing Over-Advanced'. It can appear with P0010 if the circuit fault causes the camshaft to get stuck in an advanced position or if the underlying issue affects both control and performance.
• P0016 — P0016 indicates a 'Crankshaft/Camshaft Position Correlation' error. If the intake cam timing is incorrect due to the P0010 fault, it can cause a disagreement with the crankshaft's position, triggering P0016.

Technical Service Bulletins (TSBs) & Recalls

• TIN-20-13-001REV: Instructs dealers on reprogramming the Engine Control Module for DTCs P0010 - P0017.
• TIN-20-13-001: Reminds dealers that specific data is required for warranty approval for P0010 - P0017 codes, highlighting it as a known issue.

Platform-Specific Known Issues

• A Technical Service Bulletin (TIN-20-13-001REV) was issued by Mitsubishi, indicating that a software update for the Engine Control Module (ECM) may be required to fix codes in the P0010-P0017 range. This is the most critical vehicle-specific issue.
• The 1.5L 4B40 engine is unique to the Eclipse Cross in the North American market, meaning repair information and parts may not be as widespread as for other Mitsubishi engines.
• A notable lack of detailed owner forum threads about DIY repairs for P0010 on this specific model suggests that many cases are resolved at the dealership level, likely via the TSB software update, before owners resort to online forums.

Mechanic-Grade Diagnostic Values

• Intake Oil Control Valve (VVT Solenoid) Resistance — expected: 6.9 - 7.9 Ω at 20°C (68°F). Failure: A reading outside this range, or an open/infinite reading, indicates a faulty solenoid.
• ECM Current Check for Open Circuit — expected: Current should be > 0.1 amperes. Failure: If the ECM terminal current for the intake oil control valve circuit is less than 0.1 ampere for 2 seconds, the code is set.
• ECM Current Check for Short Circuit — expected: Current should be < 2.9 amperes. Failure: If the ECM terminal current for the intake oil control valve circuit is higher than 2.9 amperes for 0.1 second, the code is set.
• Voltage at Solenoid Harness Connector — expected: Battery Positive Voltage (approx. 12V). Failure: No voltage indicates an open circuit in the power supply from the MFI relay.

Scan Tool Commands That Help

• Mitsubishi M.U.T.-III: Actuator Test - Item 60: Oil control valve — This function allows a technician to directly command the intake oil feeder control valve to switch from OFF to ON. It is used to verify if the solenoid is mechanically responding to an electrical command. A clicking sound should be audible from the valve when it is actuated, confirming it is not seized.
• Mitsubishi M.U.T.-III: Data List — Used to monitor the live duty cycle percentage being commanded to the oil control valve by the ECM. This can be compared against the desired vs. actual camshaft angles to see if the system is responding correctly to commands under various engine loads.

Wiring & Ground Locations

• B-18 — On the engine, plugging directly into the Intake Oil Control Valve (VVT Solenoid).. This is the primary connector to inspect for damage, corrosion, or loose pins. All voltage and resistance tests for the solenoid circuit are performed at this connector.
• A-30X — At the MFI (Multiport Fuel Injection) relay, likely in the underhood fuse/relay box.. The Intake Oil Control Valve receives its power from terminal No. 2 of the MFI relay via this connector. A problem here could cut power to the solenoid.
• B-108 — At the Engine Control Module (ECM).. This is the ECM connector where the control (ground) side of the solenoid circuit terminates. It would be checked for continuity back to connector B-18 if a wiring fault is suspected.

OEM Part Supersession History

• 1028A134 → None — This part number appears to be the original and current part for the 2018-2022 Eclipse Cross.
  Heads up: While some aftermarket sellers list other part numbers as compatible, 1028A134 is the specified OEM part for the 1.5L 4B40 engine in the Eclipse Cross.