P0730 on 2011-2014 Chrysler 200: Incorrect Gear Ratio Causes and Fixes

What's Unique About the 2011-2014 Chrysler 200

The 2011-2014 Chrysler 200 uses the 62TE 6-speed automatic transmission, which is shared with many other Chrysler/Dodge vehicles like the Grand Caravan and Avenger. While P0730 is a generic code, on this specific platform, it's frequently linked to the transmission's solenoid pack, which is a well-documented weak point that often fails between 80,000 and 120,000 miles. A key challenge for DIY diagnosis is that these vehicles lack a traditional transmission dipstick, requiring a special tool (like Miller tool 9336A) 🎬 Watch: How to check and top off your fluid and a specific procedure to check the fluid level accurately at operating temperature.

Symptoms You May Notice

• Check Engine Light is on
• Transmission warning light is on
• Vehicle enters "limp mode" (stuck in a single gear, usually 2nd or 3rd)
• Harsh, jerky, or delayed shifts, sometimes with a significant lurch
• Transmission slipping (engine RPMs rise without an increase in speed)
• Reduced fuel economy due to inefficient power transfer
• Vehicle may not move in reverse until after a long delay
• "Flares" between gears followed by the vehicle becoming stuck in 3rd gear (limp mode) as described in NHTSA ODI #11405676.

Most Likely Causes

1. Low or Degraded Transmission Fluid (ATF+4) 🔴 High Probability → Shop Transmission Assembly The 62TE transmission is extremely sensitive to fluid level and quality. Chrysler specifies a 'lifetime' fluid, but this often leads to neglect. Over time, the fluid breaks down or leaks, causing low levels, which leads to insufficient hydraulic pressure for proper gear engagement and cooling.
   How to confirm: Check the transmission fluid level and condition using a special dipstick tool (not factory included) when the transmission is at operating temperature (approx. 180°F). The fluid should be bright red and not smell burnt. Dark, brown, or burnt-smelling fluid indicates it's overdue for a change or there is internal wear.
   Typical fix: Perform a transmission fluid and filter change using only Mopar ATF+4 🎬 Watch: How to change the fluid and filter or an equivalent certified fluid. If the fluid was low, the source of the leak must be identified and repaired.
   Est. part cost: $75-$150
2. Failing Transmission Solenoid Pack 🔴 High Probability → Shop Transmission Assembly The solenoid pack is a well-documented, high-failure item on the 62TE transmission. These electronic solenoids control the flow of hydraulic fluid to engage the clutches for each gear. When one or more fails or becomes clogged with debris, it directly causes shifting errors and gear ratio faults.
   How to confirm: A professional scan tool can perform solenoid tests and read solenoid-specific fault codes. A mechanic can also test the resistance of the solenoids at the main connector (most shift solenoids should read 1.6-1.8 ohms). This is often diagnosed after a fluid change fails to resolve the issue.
   Typical fix: Replace the entire solenoid pack. This is a moderately difficult job that involves removing the transmission pan 🎬 See this step-by-step solenoid pack replacement walkthrough and the valve body to access the pack.
   Est. part cost: $200-$500
3. Faulty Input or Output Speed Sensors 🟡 Medium Probability The TCM relies on these two sensors to calculate the gear ratio. If one provides an erratic, intermittent, or incorrect signal, the TCM will falsely detect a slip and trigger P0730. It's also possible to cross-connect the identical connectors for the transfer shaft and output speed sensors during service, which will cause immediate ratio codes.
   How to confirm: Use a scan tool to monitor the live data from both the input and output speed sensors while driving. Look for any signal dropouts, erratic readings, or a signal that doesn't correspond with vehicle speed.
   Typical fix: Replace the faulty speed sensor(s). Both sensors often use the same part number.
   Est. part cost: $25-$75
4. Clogged Transmission Filter ⚪ Low Probability → Shop Transmission Assembly If transmission fluid changes are neglected, the filter can become clogged with clutch material and other debris, restricting hydraulic pressure and starving the pump.
   How to confirm: This is typically discovered during a transmission fluid service. The old filter will be visibly dirty, and the fluid in the pan may contain excessive fine grey clutch material or metallic shavings.
   Typical fix: Replace the transmission filter and fluid. This is done as part of a standard transmission service.
   Est. part cost: $50-$100 (as part of a kit)

Rare But Worth Checking

• Internal Mechanical Failure: This is a worst-case scenario, involving worn clutch packs (a known 62TE issue is the underdrive clutch), a failing oil pump, or other damaged hard parts. It usually presents with more severe symptoms, like no movement in gear, loud whining noises, or significant metal debris in the pan, and is diagnosed when all external electronic and hydraulic causes are ruled out.
• TCM Software Issue: Chrysler has issued numerous TSBs for other models with similar transmissions for erroneous codes that can be fixed with a software update. It's worth checking with a dealer using your VIN to see if any TCM software flashes are available to improve shift quality and logic, which can sometimes prevent false codes.

Diagnosis Steps

1. Check the transmission fluid level and condition. This is the first and most important step. Ensure the fluid is clean, red, and at the proper level using the manufacturer's specified procedure and special tool.
2. Scan the TCM for other codes. Look for specific gear ratio codes (P0731-P0736), pressure codes (P0868), or solenoid circuit codes that can help narrow the diagnosis.
3. If fluid is low, top it off, clear codes, and test drive. If the fluid is dark, burnt, or contains debris, perform a full fluid and filter change.
4. If the code returns, use a scan tool to monitor live data from the input and output speed sensors. Check for any dropouts or inconsistencies while driving.
5. Inspect the wiring harness and connectors to the transmission, especially at the main solenoid pack connector and speed sensors, for any visible damage, corrosion, or loose connections.
6. If sensors and wiring are good, the next step is to suspect the solenoid pack. This can be confirmed by testing solenoid resistance or by replacement, which is a very common fix for this transmission.
7. If all external components test good, the issue is likely an internal mechanical problem (e.g., valve body, clutch packs, pump), which requires a transmission specialist.

Parts You'll Likely Need

• Transmission Solenoid Pack (OEM #68376696AA) — This is a very common failure item on the 62TE transmission that directly causes shifting errors and the P0730 code. The original part number 05078709AB has been superseded.
  Trusted brands: Mopar, Rostra, Dorman, Sunbelt
  OEM price range: $350-$500
  Aftermarket price range: $200-$350
• Transmission Fluid and Filter Kit — Low or contaminated fluid is the most common and easily fixed cause. A fluid and filter service is always the first step in diagnosis. Only Mopar ATF+4 or a licensed equivalent should be used.
  Trusted brands: Mopar (ATF+4 Fluid), Wix, ATP
  OEM price range: $100-$180
  Aftermarket price range: $50-$100
• Input/Output Speed Sensor (OEM #5078554AA) — A faulty speed sensor can send incorrect data to the TCM, causing it to miscalculate the gear ratio and set a P0730 code. The input and output sensors are often the same part.
  Trusted brands: Mopar, NTK, Standard Motor Products
  OEM price range: $50-$90
  Aftermarket price range: $25-$60

Related Codes That Often Appear With This One

• P0731, P0732, P0733, etc. — These are gear-specific ratio error codes (e.g., P0731 is 'Incorrect Gear Ratio in 1st'). They often appear with the general P0730 code and help pinpoint which gear's hydraulic circuit has the problem.
• P0868 — This code means 'Transmission Fluid Pressure Low'. It directly points to a root cause of P0730, such as low fluid, a clogged filter, or a failing pump.
• P0944 — This code indicates a 'Loss of Hydraulic Pump Prime'. It is often associated with low fluid levels or internal leaks in the 62TE and will cause gear ratio codes like P0730.

Technical Service Bulletins (TSBs) & Recalls

• While no TSB directly addresses P0730 on the 2011-2014 Chrysler 200, several TSBs exist for other Chrysler vehicles with similar transmissions (like the 845RE and WA580) for shift enhancements and fixing erroneous codes via a TCM software flash (e.g., TSB 21-016-14, 21-035-15). It is advisable to have a dealer check for the latest TCM software for your specific VIN, as updates are frequently released to improve transmission performance.
• Manufacturer TSB Bulletin #21-005-13 specifically addresses MIL illumination for P0730 (Incorrect Gear Ratio) and involves updating the Transmission Control Module (TCM) software.
• Manufacturer TSB Bulletin #21-033-14 (also referenced as #2103314) notes that a TCM flash may be required for MIL illumination for P0730 and to provide transmission shift enhancements.

Platform-Specific Known Issues

• The 62TE transmission used in this vehicle is known for solenoid pack failures, which is a primary cause of the P0730 code.
• The lack of a factory-installed transmission dipstick complicates the most basic diagnostic step, requiring owners or shops to purchase a special tool to check fluid levels correctly.

Mechanic-Grade Diagnostic Values

• Shift Solenoid Resistance (UD, OD, DC, 2/4, LC, L/R) — expected: 1.6 - 1.8 Ohms (at ~70°F). Failure: A reading that is significantly higher, lower, or open (infinity). Comparing the readings between all similar solenoids is a good practice; a significant outlier indicates a failure.
• Line Pressure Solenoid Resistance — expected: 4.8 - 5.2 Ohms. Failure: A reading outside this range indicates a faulty line pressure control solenoid.
• Pressure Switch Resistors — expected: ~300 Ohms. Failure: A reading significantly different from 300 ohms suggests a fault in the pressure switch sense circuit within the solenoid pack.
• Pressure Sensor Circuit Voltage — expected: Below 0.5 Volts during circuit test. Failure: Voltage above 0.5V during a specific diagnostic test can indicate a short to voltage in the signal circuit.

Hidden / Shadow Codes Worth Checking

• VLP Counters (Variable Line Pressure): This is not a specific trouble code, but an internal TCM monitor. The TCM tracks the cumulative time the transmission operates with incorrect line pressure. Once a threshold is exceeded (e.g., 2,000 miles of operation), the TCM will force the vehicle into limp mode to prevent damage. This is a hidden trigger for the symptoms associated with P0730. (see via These counters are not visible on standard OBD-II scanners. A professional scan tool (like Chrysler's WiTECH) is required to view and, more importantly, reset these counters after a repair.)

Scan Tool Commands That Help

• WiTECH or equivalent professional scanner (e.g., Autel, Snap-on): Quick Learn Procedure — This is mandatory after replacing the solenoid pack, valve body, or the entire transmission. It is also recommended after a battery disconnect. The procedure allows the TCM to relearn clutch fill volumes and shift timing, preventing harsh shifts and potential damage.
• WiTECH or equivalent professional scanner: Reset VLP (Variable Line Pressure) Counters — After repairing a hydraulic issue (like a fluid leak or solenoid replacement) that may have caused long-term pressure deviations. If the counters are not reset, the vehicle may remain in limp mode even after the physical repair is complete.
• WiTECH or equivalent professional scanner: Actuate TCM Output — During diagnosis to test the integrity of specific circuits. For example, a technician can command the TCM output on while measuring voltage at the transmission connector to verify wiring between the TCM and the transmission.

Wiring & Ground Locations

• Main Solenoid/TRS Assembly Connector — On the front side of the transmission case, where the main vehicle harness connects to the solenoid pack.. This is the primary electrical interface for the transmission. Technicians can perform nearly all electrical tests for solenoids and pressure switches from this single connector without removing the transmission pan. Pin 10 is the 12V power feed from the TCM relay, and specific pins (e.g., Pin 2 for L/R solenoid, Pin 7 for UD solenoid) provide the ground path for testing individual solenoid resistances.

Real Owner Repair Stories

• YouTube video from a repair shop (Chrysler Town & Country with 62TE (same transmission)) — Vehicle stuck in limp mode, would not shift, but had no Check Engine Light.
  ❌ Tried (didn't work) Initial diagnosis was confusing due to the lack of codes.
  ✅ What actually fixed it The connectors for the input, output, and transfer speed sensors had been swapped. These three sensors are located near each other and have identical connectors, making it easy to mix them up during service. Correcting the connector positions so each sensor was plugged into its correct harness plug resolved the no-shift condition immediately.
• NHTSA ODI #11405676 — An owner reported that after experiencing a "flare" between gears, the vehicle would get stuck in 3rd gear or limp mode with a check engine light for codes P0730 through P0735. The owner noted they had to carry a diagnostic scan tool to clear the codes to continue driving.

OEM Part Supersession History

• 05078709AB (and others) → 68376696AA — Internal design improvements to address high failure rates of the original solenoids.
  Heads up: Using an old stock or used original part number is not recommended as it is prone to the same failure. Always install the latest revision.

Diagnostic Flowchart

Other Known Issues on This Vehicle

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

• Clogged or Failing Heater Core 🔴 High — Very common. Often manifests as no heat on the passenger side first, then total heat loss. Can happen at any mileage. (Ref: No recall, but it is a widely documented problem. Some owners report needing multiple replacements.)
• Engine Stalling While Driving 🔴 High — Common enough to trigger an NHTSA investigation. Often happens at low speeds or when coming to a stop. Can be related to the TIPM or a faulty PCM. (Ref: NHTSA PE12022 investigation, but problems persist for many owners.)
• Faulty Totally Integrated Power Module (TIPM) 🔴 High — A common failure point on many Chrysler products of this era. Can cause a wide range of bizarre electrical issues, from fuel pump failure to random horn activation or stalling.
• Random Active Head Restraint (AHR) Deployment 🟠 Medium — A plastic bracket inside the headrest can fail, causing it to deploy without an accident. This has been reported on many 2011-2014 models.

Used vs. New Parts: Buying Guide for This Vehicle

When a used part is the smart pick: A complete, used transmission assembly from a verified low-mileage donor vehicle can be a cost-effective alternative to a full rebuild. However, for individual components, used parts are generally not recommended for this repair.

Donor-vehicle mileage cap: roughly under 70000 miles for the part to have meaningful remaining life.

What to inspect on the donor part:

• Verify the donor vehicle's mileage and VIN.
• Check the color and smell of the fluid through the dipstick tube or cooler lines if possible. Bright red fluid is a good sign; dark or burnt fluid is a major red flag.
• Ask for a warranty from the salvage yard, even if it's only 30-90 days.

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

• Transmission Solenoid Pack: While some aftermarket brands exist, the Mopar (OEM) part is the most reliable and recommended choice to avoid repeat failures. The cost difference is often justified by the labor required to replace it.
• ATF+4 Fluid: Do not substitute other fluid types. Only use Mopar ATF+4 or a fully licensed and certified equivalent. Using a generic 'multi-vehicle' fluid is a common cause of 62TE transmission problems.

Aftermarket brands forum-validated for this vehicle:

• Transgo: For transmission rebuilds, the Transgo shift kit (T132165) is often recommended by professionals to correct some of the 62TE's inherent design flaws.
• Dorman/ATP Pans with Drain Plug: An aftermarket transmission pan with a built-in drain plug is a highly recommended upgrade for easier future fluid services.

Brands owners have reported issues with on this vehicle:

• Unnamed/white-box online solenoids: Avoid cheap, unbranded solenoid packs from online marketplaces. They have an extremely high failure rate and often do not perform the 'Quick Learn' procedure correctly, leading to persistent issues.

Real Owner Stories

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

Related OBD-II Codes

• P0731-P0736 — Specific gear ratio codes that help narrow down which specific gear is slipping or failing to engage.
• P0868 — Transmission Fluid Pressure Low; often appears with P0730 when fluid levels are low or the filter is clogged.
• P0944 — Loss of Hydraulic Pump Prime; related to fluid starvation issues that also trigger gear ratio faults.
• P0700 — A general TCM malfunction code that often accompanies P0730 to signal the PCM to illuminate the Check Engine Light.

Frequently Asked Questions