P1524 on 2013-2016 Dodge Dart 1.4L Turbo: Oil Pressure and MultiAir Fixes

What's Unique About the 2013-2016 Dodge Dart

The 1.4L MultiAir engine is unique because it uses an electro-hydraulic system to actuate the intake valves, rather than traditional camshaft lobes. This system is critically dependent on the engine oil's level, cleanliness, and viscosity to function, as tiny internal passages can easily get blocked. As a result, it is extremely sensitive to maintenance, and P1524 is the primary code indicating that an oil-related issue is preventing the advanced valve system from working correctly. If the actuator loses its oil prime, such as after sitting for an extended period, the intake valves may not open at all, leading to a "crank-no-start" condition.

Symptoms You May Notice

• Check Engine Light illuminated
• Reduced engine power or 'limp mode'
• Rough idling
• Poor acceleration
• Vehicle speed limited (e.g., to 44 mph)
• Engine may crank but fail to start, especially after sitting for a long period
• Ticking noise from the top of the engine

Most Likely Causes

1. Low, Dirty, or Incorrect Engine Oil 🔴 High Probability The MultiAir system is extremely sensitive to oil quality, viscosity, and level to maintain the hydraulic pressure needed for valve actuation. Use of anything other than full synthetic 5W-40 oil meeting Chrysler specification MS-12991 is the most frequent cause of this code.
   How to confirm: Check the oil dipstick for level and clarity. Review service records to confirm the correct oil type (full synthetic 5W-40 meeting Chrysler MS-12991 spec) was used. Brands like Pennzoil Platinum Euro, Valvoline Synpower MST, and Ravenol VST are known to meet this spec.
   Typical fix: Perform an oil and filter change with the manufacturer-specified oil and a high-quality filter. Some owners recommend an engine flush if sludge is suspected, but this should be done with caution.
   Est. part cost: $60-$100
2. Incorrect or Clogged Oil Filter 🟡 Medium Probability → Shop Engine Oil Filter Adapter Low-quality aftermarket oil filters can have incorrect flow rates or bypass valve settings, leading to a pressure drop that the PCM detects as a fault. This is a well-documented issue, and simply switching from a generic filter to an OEM Mopar filter (Part #68102241AA) has resolved the code for some owners.
   How to confirm: Inspect the installed oil filter. If it is not an OEM Mopar filter or a reputable aftermarket equivalent (e.g., Mahle), it is suspect.
   Typical fix: Replace the oil filter with an OEM Mopar filter or a high-quality alternative known to meet OEM specifications during an oil change.
   Est. part cost: $10-$25
3. Faulty Engine Oil Pressure Sensor 🟡 Medium Probability
   How to confirm: If an oil and filter change with the correct parts does not resolve the code, the sensor is the next logical component. A technician can test the sensor's output against a mechanical pressure gauge. The sensor is located on the front of the engine, below the water pump. 🎬 Watch: Step-by-step oil pressure sensor replacement walkthrough.
   Typical fix: Replace the engine oil pressure sensor. The original part number 5149062AB has been superseded by 68145662AB.
   Est. part cost: $30-$70
4. Clogged MultiAir Actuator Oil Filter ⚪ Low Probability → Shop Engine Oil Filter Adapter This engine has a small, secondary oil filter screen for the MultiAir actuator that can become clogged with sludge or debris, starving the actuator of oil. This is often overlooked and can be the root cause if an oil change doesn't work.
   How to confirm: This requires partial disassembly to access and inspect the filter screen for blockage. It is located under the timing cover.
   Typical fix: Clean or replace the small filter screen. The part number is often cited as 04892339AB, but some sources for related engines list 68189847AA. Verifying the correct part for the Dart is crucial.
   Est. part cost: $5-$15

Rare But Worth Checking

• Failing MultiAir Actuator ('Brick'): While not common, the entire MultiAir actuator unit can fail internally. This is an expensive repair (often over $1,000) and should only be considered after all other oil-related causes have been exhaustively ruled out.
• Failing Engine Oil Pump: → Shop Engine Oil Pump A failing oil pump will cause genuine low oil pressure. This should be confirmed with a mechanical oil pressure test before replacing the pump, as it is a labor-intensive job.
• Outdated PCM Software: Technical Service Bulletins for platform mates (Jeep Renegade, Fiat 500X) show that a PCM software update can resolve erroneously set P1524 codes, especially when accompanied by P1523 and P1D7F. It's worth checking if any software updates are available for the Dart.

Diagnosis Steps

1. Check the engine oil level using the dipstick. Top off if low.
2. Verify the oil's condition. If it is dark, sludgy, or past its service interval, plan for a change.
3. Confirm the correct oil is being used: Full synthetic 5W-40 meeting Chrysler specification MS-12991.
4. If the oil history is unknown or incorrect, perform an oil and filter change using the correct oil and an OEM Mopar filter (Part #68102241AA).
5. Clear the codes and drive the vehicle to see if the code returns.
6. If the code persists, test the oil pressure sensor and its wiring. Compare its readings to a mechanical gauge. The sensor is located below the water pump.
7. If the sensor is good and pressure is confirmed good, inspect the small secondary oil filter for the MultiAir actuator for clogs. This is located under the timing cover.
8. Check with a dealer for any available PCM software updates, referencing TSBs for similar models like 18-042-21.
9. If all other steps fail, further diagnosis of the MultiAir actuator or the main oil pump by a professional may be required.

Parts You'll Likely Need

• Engine Oil and Filter Kit (OEM #68102241AA (Filter)) — This is the most common fix. The MultiAir system is highly sensitive to oil level, type, and filter quality.
  Trusted brands: Mopar (Filter), Pennzoil Platinum Euro (Oil), Ravenol VST (Oil), Castrol Edge Euro Car (Oil, check bottle for MS-12991)
  OEM price range: $70-$110
  Aftermarket price range: $60-$90
• Engine Oil Pressure Sensor (OEM #68145662AB (supersedes 5149062AB)) — This sensor can fail and send incorrect low-pressure readings to the computer, triggering the code even when oil pressure is fine.
  Trusted brands: Mopar, Bosch, Standard Motor Products (SMP)
  OEM price range: $40-$60
  Aftermarket price range: $25-$45
• MultiAir Actuator Oil Filter (OEM #04892339AB) — This small, often overlooked filter can get clogged with sludge, restricting oil flow to the MultiAir actuator and causing P1524.
  Trusted brands: Mopar
  OEM price range: $5-$15
  Aftermarket price range: $5-$10

Related Codes That Often Appear With This One

• P1523 — This code, 'VVA Low Oil Pressure', is a companion to P1524. P1523 indicates the low pressure condition, while P1524 confirms the PCM has disabled the MultiAir system as a result. They almost always appear together and are addressed by the same TSBs.
• P0520 — This code indicates a general fault in the oil pressure sensor circuit. Seeing it with P1524 strongly suggests the sensor or its wiring is the root cause, rather than the oil itself.
• P1D7F — This code for 'ETC Self-Learning Failure' is mentioned in multiple TSBs for platform mates alongside P1524. It suggests the poor engine performance from the disabled MultiAir system is preventing the Electronic Throttle Control from adapting correctly.

Technical Service Bulletins (TSBs) & Recalls

• TSB 18-042-21: For 2015-2016 Jeep Renegade and Fiat 500X with the 1.4L engine, this TSB involves a PCM software update to address P1524, P1523, and P1D7F, along with symptoms like long crank times and ticking noises. While not for the Dart specifically, it applies to the same powertrain and highlights a known software fix path.
• TSB Bulletin #S2109000001: A manufacturer service bulletin notes that a customer may complain of a MIL lamp on, and investigation may reveal fault code P1524 for "Oil Pressure Out of Range - Camshaft Advance/Retard Disabled."

Platform-Specific Known Issues

• The 1.4L MultiAir engine is known for its extreme sensitivity to oil level and type. Failure to use the specified full synthetic 5W-40 oil is the leading cause of P1524.
• A 'crank-no-start' condition can occur if the MultiAir actuator loses its hydraulic prime after the vehicle sits for a period. A specific starting procedure (cranking in short bursts) may be needed to re-prime the system.

Mechanic-Grade Diagnostic Values

• MultiAir (VVT) System Enable/Disable Pressure Threshold — expected: System requires ~42 PSI to enable and will be disabled by the PCM if pressure drops below ~31 PSI.. Failure: Scan tool data shows pressure is consistently below 42 PSI, preventing the system from activating, even if it's above the minimum idle spec.
• Engine oil delivery pressure at idle (hot) — expected: > 10.1 PSI (> 0.7 bar). Failure: Pressure below this threshold indicates a severe mechanical issue like a failing oil pump or clogged pickup tube.
• Engine oil supply pressure at 4000 RPM (hot) — expected: > 58 PSI (> 4.0 bar). Failure: Failure to reach this pressure under load points to a weak oil pump or a significant flow restriction, such as a clogged main or MultiAir filter.
• MultiAir (VVA) Solenoid Resistance — expected: 0.5 - 1.0 Ohms. Failure: A reading outside this range indicates a faulty solenoid within the MultiAir 'brick'.

Scan Tool Commands That Help

• Manual Procedure: MultiAir Actuator Re-Prime Procedure (Extended Park Starting) — Use this for a 'crank-no-start' condition, especially after the vehicle has sat for an extended period or after an oil change. Crank the engine for 10-15 seconds, then rest for 5-10 seconds to cool the starter. Repeat this cycle several times. This can force oil back into the MultiAir actuator and re-establish the hydraulic prime needed for the intake valves to operate.

Wiring & Ground Locations

• Oil Pressure Sensor Connector — On the front of the engine block, below the water pump. It is a 3-wire connector, often with a red sliding lock tab that must be disengaged before unplugging.. This connector is a primary failure point. It can become saturated with oil, and the wiring pigtail can become brittle from heat, causing intermittent or false signals to the PCM.
• G103 — Left side of the engine compartment.. A key ground point for various engine electronics. A poor connection here can cause erratic sensor readings, potentially leading to a false P1524 code.
• G104 — Lower left front side of the engine block.. This is a critical engine-to-chassis ground. A loose or corroded connection can affect the entire engine management system, including the PCM's ability to get accurate sensor data.
• G108 — Rear center of the top of the engine on 1.4L models.. A primary engine ground point. Verifying it is clean and tight is a crucial step in diagnosing any electrical fault on this engine.
• Powertrain Control Module (PCM) — Right rear corner of the engine compartment on 1.4L models.. Knowing the PCM's location is necessary for inspecting its connectors for corrosion or damage and for testing wiring continuity from the oil pressure sensor.

Real Owner Repair Stories

• Reddit user in r/ram_trucks (Ram 1500 (5.7L Hemi, but same code and principle)) — Check engine light for P1524, oil pressure stuck at 35 PSI regardless of RPM.
  ❌ Tried (didn't work) Initially considered taking it to a dealer, assuming a complex issue.
  ✅ What actually fixed it The vehicle had a cheap aftermarket 'Carguard' oil filter installed by the seller. The owner performed an oil change using Pennzoil Ultra Platinum and a Mopar OEM oil filter. After the change, oil pressure returned to the normal 55-60 PSI range while driving and the code was resolved.
• YouTube user 'Fix It All' (2009 Ram (5.7L Hemi)) — P1524 code appeared after using an engine restore additive.
  ✅ What actually fixed it The owner cut open the oil filter and found it was completely clogged with the metallic particles from the engine restore product. This blockage restricted oil flow, causing the low pressure code. An oil and filter change fixed the P1524 code.

"I Checked Everything" — The Actual Cause

• In a case involving a Ram 1500 with P1524, the owner verified with a mechanical gauge that oil pressure was within the general 'safe' range (25-30 PSI at 3000 RPM). However, the code persisted. The root cause was that the pressure, while not dangerously low, never reached the specific 42 PSI threshold required by the PCM to enable the variable cam timing system. The problem was ultimately traced to the brand of oil and filter being used. Switching back to the OEM-recommended oil and a larger, older-style Mopar filter resolved the issue by allowing the pressure to reach the required VVT activation threshold.

OEM Part Supersession History

• 5149062AB → 68145662AB — Updated design for the Engine Oil Pressure Sensor.
• 05047861AB → 5047861AC — Updated design for the MultiAir Actuator Assembly ('Brick') on the related Fiat 500L platform.
  Heads up: While not directly for the Dart, this shows a history of revisions for the core MultiAir component, suggesting newer parts may be more reliable.

Model Year Variations Within This Range

• 2014-2016: For the 2014 model year and onward, Dodge significantly limited the availability of the 1.4L MultiAir Turbo engine, primarily offering it in the high-fuel-economy 'Aero' trim. Other trims like the SXT and GT were switched to the 2.4L Tigershark engine. This does not change the diagnosis for a 1.4L engine but makes it more likely to be found in an Aero model in later years.

Diagnostic Flowchart

Other Known Issues on This Vehicle

Issues unrelated to this code that are worth knowing about as an owner of this generation:

• Dual Dry-Clutch Transmission (DDCT) Issues 🔴 High — Common on 1.4L models. Issues include TCM failure and jerky operation. (Ref: NHTSA Recall 15V-542 (FCA #R42) for TCM mounting bracket causing failure.)
• Shifter Cable Bushing Failure 🔴 High — Widespread across automatic transmission models, can lead to vehicle rollaway. (Ref: NHTSA Recall 19V-293 (FCA #V34) and a subsequent recall A0C.)
• Excessive Oil Consumption (2.4L Engine) 🟠 Medium — More prevalent on the 2.4L MultiAir engine, but all Dart owners should monitor oil levels.
• Faulty Thermostat 🟡 Low — A common cause for the check engine light, often with code P0128, especially in colder weather.
• Electrical System and Battery Problems 🟠 Medium — Owners report premature battery failure, strange electrical behavior, and failing Bluetooth modules.
• Engine Stalling in Cold Weather 🟠 Medium — Specifically noted on 2013 models with the 1.4L engine and DDCT. (Ref: NHTSA Recall 13V-282 (FCA #N32) for a PCM reprogram.)

Used vs. New Parts: Buying Guide for This Vehicle

When a used part is the smart pick: For this specific repair, using used parts is generally not recommended due to the low cost of new consumables and sensors. A used MultiAir Actuator ('brick') could be considered as a last resort if a new one is prohibitively expensive, but only from a very low-mileage donor vehicle with a verifiable maintenance history.

Donor-vehicle mileage cap: roughly under 50000 miles for the part to have meaningful remaining life.

What to inspect on the donor part:

• For a MultiAir Actuator: Ask for the VIN of the donor car to check its service history.
• Inspect the donor engine for signs of sludge or poor maintenance.
• Ensure there is no physical damage to the actuator or its connectors.

OEM-only on this vehicle (don't cheap out):

• Engine Oil Filter: This is critical. Aftermarket filters are a documented cause of P1524 on FCA vehicles. Use only the Mopar OEM filter (68102241AA) or a premium equivalent known to meet OEM flow and bypass specs, like Mahle.
• MultiAir Actuator Oil Filter: This is a low-cost but critical part; use the OEM Mopar part to ensure correct filtration and flow.

Aftermarket brands forum-validated for this vehicle:

• Oil: Pennzoil Platinum Euro, Castrol Edge Euro Car, Valvoline Synpower MST, Ravenol VST (must meet MS-12991 spec).
• Oil Pressure Sensor: Bosch, Standard Motor Products (SMP), NTK.

Brands owners have reported issues with on this vehicle:

• Oil Filters: Avoid generic or 'white-box' store brands. A 'Carguard' filter was specifically cited in a repair story as causing P1524.

Real Owner Stories

Aggregated from forums and TSBs cited above. Mileages and costs reflect what owners reported in those sources.

Related OBD-II Codes

• P1523 — Often appears alongside P1524 on the 1.4L MultiAir platform; both are related to oil pressure and MultiAir actuator performance, often triggered by incorrect oil viscosity.
• P1D7F — Cited in TSB 18-042-21 as a companion code to P1524 that can be resolved by a PCM software update on the 1.4L MultiAir engine.

Frequently Asked Questions