P2764 on 2005-2012 Dodge Grand Caravan: TCC Solenoid and Torque Converter Guide

What's Unique About the 2005-2012 Dodge GRAND CARAVAN

The 2005-2012 Dodge Grand Caravan spans two generations with two different automatic transmissions, which have distinct failure points for this code. The 2005-2007 models use a 4-speed 41TE transmission where a failed external solenoid pack is the common culprit and a relatively straightforward DIY repair. In contrast, the 2008-2012 models use a 6-speed 62TE transmission, for which a manufacturer Technical Service Bulletin (TSB) exists. This TSB states that while the TCC solenoid can fail, code P2764 is also a strong indicator of a complete torque converter failure if the solenoid's operation checks out. This makes diagnosis on the 62TE more complex and critical.

Diagnostic Flowchart

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

Generation note: Yes, this range covers two generations with different transmissions: - 2005-2007 (Fourth Generation): These vans typically use the 4-speed A604/41TE automatic transmission. The most common fix for P2764 is replacing the externally-mounted solenoid pack, which is accessible from the front of the transmission. 🎬 Watch: How to replace the external solenoid pack on 4-speed models. - 2008-2012 (Fifth Generation): These vans use the 6-speed 62TE automatic transmission. The diagnosis is more complex and can point to either the TCC solenoid (part of the internal solenoid pack) or the torque converter itself, as noted in TSB #9004009.

Symptoms You May Notice

• Check Engine Light or Transmission Warning Light is on
• Vehicle stalls when coming to a stop or when put into Drive
• Transmission jerking or slipping between gears
• Shuddering or vibrations during acceleration
• Transmission gets stuck in one gear (limp mode)
• Reduced fuel economy and higher than normal RPMs at highway speed
• Harsh or erratic shifting
• Engine chugs or lugs when slowing down, as if a manual car's clutch wasn't pressed

Most Likely Causes

1. Failed Transmission Solenoid Pack 🔴 High Probability → Shop Transmission Assembly On 2005-2007 models with the 41TE transmission, the external solenoid pack is a very common failure item that directly causes this code. For 2008-2012 models with the 62TE, the TCC solenoid (often called the EMCC VFS Solenoid) within the internal pack is also a frequent cause, often getting stuck from metallic debris.
   How to confirm: For the 41TE, test the solenoid pack's resistance at the connector pins. For the 62TE, a bidirectional scan tool is needed to command the TCC solenoid and monitor its voltage response. If it fails to respond or the voltage is low, the solenoid is suspect.
   Typical fix: Replace the transmission solenoid pack. On the 41TE, this is an external part. On the 62TE, this requires removing the side transmission pan and the valve body 🎬 Watch: Step-by-step guide to replacing the internal 62TE solenoid pack. to access the pack.
   Est. part cost: $70-$250
2. Failed Torque Converter 🟡 Medium Probability → Shop Automatic Transmission Torque Converter Specifically for 2008-2012 models with the 62TE transmission, TSB #9004009 explicitly states that if the TCC solenoid checks out, code P2764 is indicative of a torque converter failure. The converter's internal clutch lining can disintegrate, shedding debris that clogs the valve body and damages solenoids.
   How to confirm: This is a process of elimination. After confirming the TCC solenoid and its wiring are functioning correctly, the torque converter becomes the primary suspect. A key indicator is finding excessive metallic shavings or debris in the transmission pan.
   Typical fix: Replace the torque converter. This is a major repair that requires removing the entire transmission from the vehicle.
   Est. part cost: $200-$600
3. Wiring or Connector Issue ⚪ Low Probability The wiring harness to the transmission can be damaged by road debris, heat from the exhaust, or corrosion over time, causing a short to ground.
   How to confirm: Visually inspect the wiring harness leading to the transmission for any signs of damage, fraying, or corrosion, especially where it might rub against the chassis or engine components. Perform a continuity and short-to-ground test on the TCC solenoid control circuit.
   Typical fix: Repair or replace the damaged section of the wiring harness or connector.
   Est. part cost: $20-$100
4. Low or Dirty Transmission Fluid ⚪ Low Probability → Shop Transmission Assembly Neglected maintenance can lead to fluid that is low, burnt, or full of metallic debris from an internal wear (like a failing torque converter). This contaminated fluid can cause solenoids to stick or operate erratically.
   How to confirm: Check the transmission fluid level and condition. The fluid should be at the correct level and bright red (ATF+4). If it is dark, brown, smells burnt, or contains visible metal particles, it indicates a problem.
   Typical fix: Perform a transmission fluid and filter change. If the fluid is severely degraded, this is often a symptom of a larger problem (like torque converter failure) rather than the root cause.
   Est. part cost: $50-$150

Rare But Worth Checking

• Faulty Transmission Control Module (TCM) or Powertrain Control Module (PCM): → Shop Transmission Assembly This is rare, but if all other components and wiring check out, the module itself could have a failed driver circuit. It should be the last part to be considered for replacement.

Diagnosis Steps

1. Check the transmission fluid level and condition. Top off or change as necessary, ensuring you use Mopar ATF+4 fluid.
2. Use an OBD-II scanner to check for other related trouble codes, such as P0700 or P0740.
3. Visually inspect the transmission wiring harness and connectors for any visible damage, corrosion, or loose connections.
4. For 2005-2007 models (41TE): Test the resistance of the pins on the external solenoid pack connector. A failed solenoid will often show an open or shorted circuit.
5. For 2008-2012 models (62TE): Use a professional scan tool to command the TCC solenoid on and off to verify its operation. Monitor the circuit voltage during this test.
6. If the solenoid does not respond, test the circuit for proper voltage, ground, and continuity back to the TCM.
7. If the solenoid and wiring are confirmed to be good (especially on 62TE models), drop the transmission pan and inspect for excessive metal debris. Finding significant metal shavings strongly suggests a faulty torque converter, as per TSB #9004009.
8. If all else fails, consider a faulty TCM as the final possibility.

Parts You'll Likely Need

• Transmission Solenoid Pack (OEM #41TE: 5140429AA (replaces 4504570AC, 5015646AB, 5015646AC) | 62TE: 68376696AA (replaces 05078709AB)) — This is the most common cause for 2005-2007 models and a primary cause for 2008-2012 models. It contains the TCC solenoid that controls the torque converter lock-up.
  Trusted brands: Mopar, ATP, Rostra, Dorman
  OEM price range: $200-$350
  Aftermarket price range: $70-$180
• Torque Converter — For 2008-2012 models with the 62TE transmission, a manufacturer TSB identifies this as the likely failure if the solenoid and wiring are good.
  Trusted brands: Mopar, Transtar, Pro-King, Luk
  OEM price range: $400-$700
  Aftermarket price range: $200-$400
• Automatic Transmission Fluid (ATF+4) (OEM #MS-9602) — Fluid must be replaced when performing any of these repairs. Using the correct Mopar ATF+4 specification is critical for Chrysler transmissions.
  Trusted brands: Mopar, Valvoline, Castrol
  OEM price range: $10-$15 per quart
  Aftermarket price range: $7-$12 per quart

Related Codes That Often Appear With This One

• P0740 — This code also relates to a 'Torque Converter Clutch Circuit Malfunction'. Seeing it with P2764 strongly points to a failure in the TCC system, often the solenoid or the converter itself. The TSB mentions both codes together.
• P0700 — This is a generic code indicating that the Transmission Control Module (TCM) has stored a fault. It acts as a general alert and will almost always appear alongside a more specific transmission code like P2764.

Technical Service Bulletins (TSBs) & Recalls

• 9004009 (also cited as 21-015-09): States that for 62TE equipped vehicles with P0740 or P2764, if the TCC solenoid tests okay, the torque converter has failed and must be replaced.
• ATRA #1648: Describes the symptom of stalling in Drive but not Reverse after a highway run, pointing to a stuck TCC solenoid (EMCC VFS Solenoid) as the cause. It lists the specific solenoid part number as 5169313AA.

Platform-Specific Known Issues

• On 2008-2012 models with the 62TE transmission, TSB #9004009 warns that codes P0740 or P2764 are indicative of a torque converter

Mechanic-Grade Diagnostic Values

• 62TE TCC Solenoid Resistance — expected: 4.8 - 5.3 Ohms at ~70°F. Failure: A reading that is significantly higher (open circuit) or lower (short circuit) than the specified range.
• 62TE Shift Solenoid Resistance — expected: 1.6 - 1.8 Ohms. Failure: A reading outside of this range, or that differs significantly from the other shift solenoids, indicates a faulty solenoid within the pack.
• 41TE Solenoid Current Draw — expected: 6.5 - 7.5 Amps. Failure: Current flow that is too high or too low when the solenoid circuit is manually energized indicates a problem in the circuit or solenoid coil.
• 41TE Solenoid Resistance — expected: ~1.5 - 2.0 Ohms. Failure: An open or shorted reading indicates a failed solenoid coil.

Scan Tool Commands That Help

• wiTECH (or equivalent professional scanner): TCC Solenoid Actuation Test — This bidirectional command is used to manually cycle the TCC solenoid on and off while monitoring circuit voltage. It directly tests the electrical integrity of the solenoid and its control circuit from the TCM, helping to determine if the fault is electrical or mechanical.
• wiTECH (or equivalent professional scanner): Quick Learn Procedure — This procedure must be performed after replacing the solenoid pack or valve body. It allows the TCM to relearn the hydraulic and electrical characteristics of the new components to ensure proper shift quality and operation.

Wiring & Ground Locations

• 62TE Main Connector - Pin 3 — On the front of the 62TE transmission, this is the main harness connector.. This is the specific pin for the TCC VFS (Torque Converter Clutch) control wire from the TCM. It is the primary point for testing voltage and continuity for the P2764 code.
• 62TE Main Connector - Pin 10 — On the front of the 62TE transmission, this is the main harness connector.. This is the main 12V power supply pin for the solenoid pack. It is used as the common positive lead for resistance-testing all solenoids in the pack.
• Engine Ground Strap (Braided) — Typically connects from the engine block or cylinder head to the frame rail near the upper passenger-side engine mount.. This strap is critical for a stable system ground. It is frequently found broken or corroded, which can cause floating grounds and low voltage conditions, triggering codes like P2764 that are sensitive to voltage drops.
• 41TE Main Connector - Pin 7 — The external, 8-pin rectangular connector on the front of the 41TE transmission.. This pin controls the Low/Reverse and TCC solenoid. It is the specific circuit to test for the P2764 code on the earlier models.
• Ground G101 (41TE models) — Located on the engine block, near or above the starter motor.. This is a primary ground point for the powertrain control system. A poor connection here can cause numerous erratic electrical issues, including low voltage faults for transmission solenoids.

Real Owner Repair Stories

• Chrysler Town & Country Owner Experience (2011 Dodge Grand Caravan (with 62TE transmission)) — Vehicle would shudder and stall when coming to a stop. Check engine light was on with codes P2764 and P0740.
  ❌ Tried (didn't work) Replaced the entire transmission solenoid pack.
  ✅ What actually fixed it After the new solenoid pack did not fix the issue, the shop followed the TSB guidance and replaced the torque converter. This resolved all symptoms and cleared the codes, confirming the TSB's warning about misdiagnosis.
• ATRA Technical Bulletin #1648 (Chrysler vehicle with 62TE transmission) — After a long highway trip, the engine would die every time the transmission was put into Drive, but it ran fine in Reverse.
  ✅ What actually fixed it The bulletin identified this as a classic symptom of a TCC stuck in the 'on' position, setting code P2764. The definitive fix was to replace the defective TCC solenoid (also called the EMCC VFS Solenoid).

When the Usual Fixes Don't Work

• While the TCC solenoid is a common cause, a significant number of real-world repairs for P2764 on the 2008-2012 Grand Caravan required a torque converter replacement *after* a new solenoid pack failed to fix the issue. This strongly supports the manufacturer's TSB and warns against stopping the diagnosis at the solenoid if symptoms persist.

OEM Part Supersession History

• N/A → 5169313AA — This is the part number for the individual TCC (EMCC VFS) solenoid within the 62TE solenoid pack.
  Heads up: While the entire solenoid pack is often replaced, ATRA bulletin #1648 identifies this specific solenoid as the culprit for P2764, suggesting it can sometimes be replaced individually.
• N/A → 4685816AA — This is the Mopar part number for the braided engine ground strap that often fails on 2008-2020 models.

Model Year Variations Within This Range

• 2006-2007: Some forum discussions suggest a sensor may have been added to the 41TE transmission in these years, but it is unconfirmed and does not appear to alter the primary diagnostic path for P2764, which still points to the solenoid pack.