2010-2011 Camaro 3.6L V6 6L50 Transmission: Problems, Identification, and Used Replacement
Identifying the MYB 6L50 automatic, diagnosing torque converter shudder and TEHCM failures, and knowing when to swap in a used OEM replacement unit.
- Before purchasing, verify your Camaro has the 6L50 (RPO code MYB) and broadcast code 0BJA or 9BJA; transmissions from V8 Camaros (6L80) or other GM models are not compatible.
- Torque converter shudder is the most common issue and the first step for repair is a complete fluid flush with Mobil 1 Synthetic LV ATF HP fluid, as specified in TSB #18-NA-355.
- Any replacement transmission (used or remanufactured) requires the internal TEHCM to be programmed to your vehicle's VIN using a GM-specific scan tool.
- When installing a replacement unit, it is mandatory to flush the transmission cooler and lines and highly recommended to install a new torque converter to prevent contamination and repeat failure.
- Failures like no movement or significant metal in the pan warrant a full replacement, as a rebuild is often more expensive than a quality used or remanufactured unit.
Part Identification: Confirming the 6L50 in Your Camaro
The 2010-2011 Chevrolet Camaro equipped with the 3.6L V6 engine uses the GM Hydra-Matic 6L50 six-speed automatic transmission. This unit is identified by the Regular Production Option (RPO) code MYB. Before purchasing a replacement, it's critical to verify that your vehicle is equipped with this exact transmission, as several similar-looking units are not interchangeable.
Vehicle and VIN Check
| Identifier | Value |
|---|---|
| Model Years | 2010–2011 Chevrolet Camaro (LS, LT trims) |
| Engine | 3.6L V6 (LLT) |
| VIN Digit | The 8th digit of your Vehicle Identification Number (VIN) should be a 'V' for 2010 models or a 'D' for 2011 models. |
Transmission Codes and Tags
| Identifier | Value |
|---|---|
| RPO Code | Check the Service Parts Identification sticker, typically located on the trunk floor or lid, for the codes MYB and MX0. This confirms the vehicle was built with the 6L50 transmission. |
| Broadcast Code | The transmission case has a metal tag on the flat surface of the side pan rail (usually the passenger side) with a four-character code. For this application, look for codes 0BJA or 9BJA. |
Warning: Do not confuse this transmission with the unit from the V8 Camaro. The V8 models (SS) use the heavier-duty 6L80 (RPO code MYC) transmission, which has a completely different case length, bellhousing bolt pattern, and electrical pinouts, and will not fit. Likewise, 6L50 transmissions from other GM vehicles like the Cadillac CTS, Chevrolet Colorado, and GMC Canyon, while internally similar, have different mountings, tailhousings, wiring, and internal calibrations and are not direct replacements.
Common Failure Symptoms
A failing 6L50 transmission can present several distinct symptoms. If you experience any of the following, it may be time for a diagnosis or replacement.
- Shuddering or Vibration: A common complaint is a shake or shudder feeling, similar to driving over rumble strips, during light acceleration at steady speeds (typically between 25 and 80 mph). This is often a sign of a failing torque converter clutch. 🎬 Watch: How to diagnose a transmission shudder
- Harsh or Delayed Shifting: The transmission may shift harshly between gears, flare (engine RPMs spike during shifts), or delay engagement when shifting from Park to Drive or Reverse.
- Getting Stuck in Gear (Limp Mode): The Transmission Control Module (TCM) may detect a serious fault and lock the transmission in a single gear (often 3rd) to prevent further damage.
- Check Engine Light: Faults within the transmission, particularly with the integrated control module (TEHCM), will trigger a check engine light. Common codes include P0700 (TCM requesting light), P0872, P0877, and P0989, which often point to internal pressure switch film ruptures. 🎬 See: 6L50 TEHCM shift shudder diagnosis
- No Movement: In severe cases, internal hydraulic pressure loss or a failed component can result in a complete loss of forward or reverse gears. This is especially noted in early 2010 models.
Diagnostic Flowchart
Known Issues, Recalls, and Technical Service Bulletins (TSBs)
The 6L50 transmission in the 2010-2011 Camaro is known for a few specific issues, some of which are covered by GM Technical Service Bulletins (TSBs).
Torque Converter Shudder (TSB #16-NA-175 / TSB #18-NA-355)
This is the most widely reported issue for this transmission family. It is caused by moisture-contaminated transmission fluid that degrades the performance of the torque converter clutch (TCC) lining, causing it to shudder during application.
- Affected Years: 2010-2011 (and other GM models with 6L-series transmissions).
- Symptoms: A vibration or shudder felt during light, steady acceleration when the transmission is not actively shifting.
- Remedy: TSB #16-NA-175 and TSB #18-NA-355 outline a procedure to completely flush the transmission and refill it with a newer-spec fluid, Mobil 1 Synthetic LV ATF HP ("blue label" fluid). If the shudder is severe or the clutch is already glazed/damaged, the torque converter itself must be replaced.
TEHCM and Solenoid Failure
The Transmission Electro-Hydraulic Control Module (TEHCM) is a computer and solenoid assembly located inside the transmission oil pan. It is a common point of failure due to its exposure to heat and vibration.
- Affected Years: 2010-2011.
- Symptoms: Harsh shifts, getting stuck in gear, no-start conditions, and a cluster of diagnostic trouble codes related to pressure switches and solenoids (e.g., P0872, P0877, P0989).
- Remedy: The solution often requires replacing the entire TEHCM assembly. In some cases, technicians can repair the unit by replacing ruptured pressure switch seals/diaphragms using aftermarket kits like Sonnax. A replacement TEHCM must be programmed to the vehicle's VIN.
Pro Tip: Before condemning the TEHCM, check the main electrical pass-through connector on the outside of the transmission case for a secure connection and any signs of damage or corrosion. A bad connection here can mimic an internal failure.
Replacement Cost Estimates
The cost to replace a 6L50 transmission can vary significantly based on the type of replacement unit, labor rates, and location. Labor for a transmission replacement on a rear-wheel-drive car like the Camaro typically ranges from 5 to 8 hours. Shop labor rates can vary from $100 to over $150 per hour, bringing labor costs to an estimated $700 to $1,500.
| Part/Service | Estimated Cost (USD) | Notes |
|---|---|---|
| New OEM Transmission | $6,500 - $7,500+ | Highest cost. New units are generally unavailable and have been replaced by remanufactured GM units with MSRPs around $4,300. |
| Remanufactured Transmission | $2,500 - $5,000 | A fully disassembled and rebuilt unit with updated parts to address known flaws. Often comes with a multi-year warranty. |
| Used OEM Transmission | $500 - $1,300 | A direct pull from a donor vehicle. Price depends on mileage and condition. |
| Installation Labor | $700 - $1,500 | Includes removal of the old unit, installation of the replacement, and fluid fill. Does not include required programming. |
| TCM/TEHCM Programming | $150 - $300 | Required for all replacement units that include a TEHCM. Must be done with a GM-compatible scan tool. |
Is the 3.6L V6 engine in these Camaros reliable?
While this article focuses on the transmission, it's worth noting that the 3.6L LLT engine used in 2010-2011 Camaros is known for premature timing chain stretch. This is a significant and costly repair. If you are troubleshooting drivetrain issues, be sure to rule out engine problems as well.
Can I just repair my existing transmission?
Minor issues like a leaking seal or a single faulty solenoid can sometimes be repaired for less than the cost of a full replacement. However, if major internal components like clutches or the torque converter have failed, the cost of a rebuild can quickly approach or exceed the price of a quality remanufactured or low-mileage used unit.
What Fails at Every Mileage Band
Pro Tip: The mileage bands below describe used replacement units of that mileage. The checklists provided are things to do WHILE INSTALLING the purchased transmission, not maintenance for your current transmission.
Under 60K Miles
Known Failures: Torque Converter Shudder, Sudden loss of forward gears.
Do during install (required):- Perform a complete fluid flush with Mobil 1 Synthetic LV ATF HP fluid to prevent future shudder issues, as per TSB #18-NA-355.
- Replace the transmission filter and pan gasket (GM Part Number: 24236933 or equivalent).
- Replace the front pump seal (torque converter seal).
- Inspect and consider replacing transmission mounts if they show wear.
60K-100K Miles
Known Failures: Torque Converter Shudder, TEHCM/Solenoid failure, Harsh shifting, Valve body issues.
Do during install (required):- Mandatory: Replace the torque converter. Reusing an old one, especially if the previous unit failed with a shudder, will contaminate the replacement transmission.
- Perform a full system flush with approved fluid (e.g., Mobil 1 Synthetic LV ATF HP).
- Replace all external seals, including the front pump seal and output shaft seal.
- Replace the transmission filter and pan gasket.
- Thoroughly flush transmission cooler and lines to remove any debris from the previous failure.
100K-150K+ Miles
Known Failures: Internal hard part failure (e.g., sprag/one-way clutch), TEHCM/Solenoid failure, Worn valve body, Complete loss of engagement.
Do during install (required):- Assume the included torque converter and TEHCM have significant wear. Budget for a new torque converter regardless of the donor unit's history.
- Replace all external seals, filter, pan gasket, and perform a comprehensive cooler and line flush.
- Strongly consider sourcing a low-mileage or remanufactured unit over a high-mileage used one, as internal component life is limited.
- Inspect driveshaft flex couplings (guibos) for cracks or wear and replace if necessary.
- Replace transmission mounts.
Real Owner Experiences
| Source | Mileage | What Happened | Cost |
|---|---|---|---|
| Camaro5.com | 5,400 | Owner experienced a shuddering feeling at light throttle, similar to an engine misfire. A TSB was found, and the dealer ordered a new, updated torque converter under warranty. | $0 (Warranty) |
| LS1Tech.com | 5,000 | Owner reported shuddering at light throttle. The dealer found a TSB for the torque converter and replaced it under warranty. | $0 (Warranty) |
| Camaro5.com | 6,000 | User reported a feeling like a miss around 1800 rpm, which was diagnosed as a bad torque converter and replaced by the dealer. | $0 (Warranty) |
| Camaro5.com | 55,000 | Transmission suddenly had issues going into gear (forward or reverse) with no prior warning signs. The owner had the entire transmission rebuilt. | $2,500 |
| Camaro5.com | 60,000 | Repair due to planetary gear failure. | $3,600 |
| Camaro6 Forum | Approx. 60,000 | Owner reported transmission shudder. This was the second transmission failure for the owner around this mileage, both occurring outside of warranty. | Dealer quoted $7,700 for a new transmission |
| Reddit r/chevycolorado | 85,000 | Owner of a vehicle with a 6L50 experienced a shudder. The valve body was replaced and a Sonnax kit was added to resolve the issue. | Not specified |
| Reddit r/camaro | 100,500 | Owner of a later model with an 8-speed (similar issue) experienced shuddering. The dealer suggested a full transmission replacement over a fluid flush due to the high mileage. | Quoted for full replacement |
| Camaro5.com | 103,000 | After a slight shudder at a stoplight, the car would not move from a dead stop in 'D'. It would start to move and then just rev as if shifting to 2nd. It was diagnosed as a failed one-way (sprag) clutch. | Not specified |
| GM-Trucks.com Forum | 130,000 | While not a Camaro, a user with a 6L80 (similar family) reported it was still running great at this mileage, though their mechanic noted pump failures are common around 100k. | N/A |
| LS1Tech.com | Not specified | Reports of sudden loss of forward gears, with reverse still working. This is often attributed to a bad Transmission Control Module (TCM) or solenoid pack. | Varies (TCM/Solenoid replacement) |
| Reddit r/camaro | Not specified | Dealer quoted for torque converter replacement due to TCC shudder. Owner balked at price. | $3,500 quoted |
| Reddit r/chevycolorado | Not specified | Quoted for torque converter, fluid, and labor on a 2018 model with the same issue. | $3,500 quoted |
Repair or Replace?
Deciding whether to repair your existing 6L50 or replace it entirely depends on the specific failure mode and the overall condition of the transmission.
When Repair Makes Sense
Pro Tip: For shudder symptoms, a complete fluid exchange with Mobil 1 Synthetic LV ATF HP fluid is the most cost-effective solution and a mandatory first step before considering more expensive repairs.
- Torque Converter Shudder (Typical Cost: $300 - $800): This is the first line of defense when shudder is the only symptom. A complete fluid exchange with the specified Mobil 1 Synthetic LV ATF HP fluid can resolve the issue if the torque converter clutch is not yet damaged. It is the most cost-effective solution and a mandatory first step.
- TEHCM / Solenoid Failure (Typical Cost: $600 - $1,200): If the transmission shifts well mechanically but exhibits electronic issues like harsh shifting, limp mode, or specific DTCs (P0872, P0877, P0989), replacing the TEHCM can be a viable repair. A remanufactured TEHCM part can cost between $250 and $700, plus 3-4 hours of labor and mandatory VIN programming. This is cheaper than a full transmission replacement if the internal mechanical parts are confirmed to be in good condition.
When Replacement is Smarter
Replacement with a quality used or remanufactured unit is the smarter choice when there is evidence of catastrophic internal failure, such as a blown planetary gear, sudden loss of all movement, or the presence of significant metal debris in the transmission pan or fluid. In these cases, the cost of a full rebuild often exceeds the cost of a warrantied remanufactured unit ($2,500+). Likewise, if the vehicle has multiple issues (e.g., both a shudder and failing solenoids), a complete replacement offers a more comprehensive and often longer-lasting solution.
Used units typically range from $500 to $1,300. Recent market data shows available used units priced at $495.92, $656.56, $695.25, $750, $972.00, $1,010.00, and $1,271.00 delivered. These donor units often have mileages such as 101,000, 113,208, 119,000, or 161,000 miles.
Questions to Ask Your Installer
- Have you confirmed this is a 6L50 (RPO code MYB) and not a 6L80 from a V8 model?
- Will you be flushing the transmission cooler and lines completely before installing the replacement unit?
- Does the replacement transmission include the torque converter and TEHCM?
- Do you have the GM-specific scan tool (like a Tech2, MDI, or MDI2) and SPS subscription required to program the replacement TEHCM to my car's VIN?
- Will you perform the 'Service Fast Learn' adaptive relearn procedure after programming?
- How will you verify the correct fluid level using the temperature-specific procedure, since there is no dipstick?
- What type of fluid will you be using? (It must be DEXRON VI or an approved equivalent like Mobil 1 Synthetic LV ATF HP).
- What is the warranty on the replacement unit and your labor?
Freight & Delivery Reality
When ordering a used 6L50 transmission, it is important to understand how it will arrive. This assembly weighs approximately 195 lbs and measures roughly 36" x 24" x 24" before crating. Because of its size and weight, it ships as LTL (Less Than Truckload) freight on a wooden pallet—it is NOT a standard parcel delivery.
Pro Tip: You will need to ensure the delivery location can accommodate a freight truck. If delivering to a residential address or a shop without a loading dock, a liftgate service will be required to lower the pallet to the ground. Always inspect the transmission for physical damage to the case, pan, or electrical connectors before signing the delivery receipt.
A reputable auto recycler will also conduct a pre-purchase verification interview to confirm your VIN, RPO code (MYB), and broadcast code (0BJA or 9BJA) before shipping to ensure exact fitment.
Frequently Asked Questions
What fluid does the 6L50 transmission take?
The factory specification is DEXRON VI synthetic ATF. However, due to widespread torque converter shudder issues, GM released TSB #18-NA-355, which mandates the use of Mobil 1 Synthetic LV ATF HP (often referred to as the "blue label" fluid) to resolve and prevent shuddering.
Does a replacement 6L50 transmission need to be programmed?
Yes. The TEHCM (Transmission Electro-Hydraulic Control Module) is located inside the transmission and is locked to the vehicle's VIN. If you install a used or remanufactured unit, it must be programmed using GM Service Programming System (SPS) software and a compatible scan tool (like a Tech2, MDI, or J2534 pass-thru device). After programming, a "Service Fast Learn Adapts" procedure must be performed before driving.
Can I use a transmission from a V8 Camaro in my V6?
No. The V8 Camaro uses the 6L80 (RPO code MYC) transmission. It has a completely different bellhousing bolt pattern, case length, and electrical pinouts. Attempting to swap a V8 transmission into a V6 Camaro will not work.
What is typically included with a used 6L50 transmission?
Per standard auto recycler guidelines, a used 6L50 assembly includes the transmission case, internally lubricated parts, extension/tail housing, transmission oil pan, torque converter, valve body, internal solenoids, and the TEHCM. It does NOT include external sensors, the external wiring harness, shifter assembly, shift linkage/cables, flexplate (flywheel), or transmission cooler lines.
How do I check the fluid level if there is no dipstick?
The 6L50 does not have a traditional under-hood dipstick. The fluid level must be checked from underneath the vehicle using a level-check plug on the bottom of the transmission pan. The engine must be running in Park, and the transmission fluid temperature must be strictly between 86°F and 122°F (or up to 212°F depending on the specific GM service procedure being followed) to get an accurate reading.
What happens if the torque converter is not seated properly during installation?
Warning: If the torque converter is not fully seated onto the transmission input shaft and pump gears (you should feel it click or engage three distinct times), bolting the transmission bellhousing to the engine will instantly crack the front pump rotor, destroying the transmission before the car is even started.
Helpful Videos
Technical Specifications
OEM Part Numbers: 24236933
Model: GM Hydra-Matic 6L50; RPO Code: MYB; Type: 6-Speed Automatic; Engine Application: 3.6L V6 (LLT); Vehicle Application: 2010-2011 Chevrolet Camaro (LS, LT); Broadcast Codes: 0BJA, 9BJA; Weight: ~195 lbs; Required Fluid: DEXRON VI or Mobil 1 Synthetic LV ATF HP (per TSB)
We Have This Part in Stock
The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
- Chevrolet Camaro:
- 🎬 Helpful Videos
- 🛍️ Shop This Part
- Part Identification: Confirming the 6L50 in Your Camaro
- Vehicle and VIN Check
- Transmission Codes and Tags
- Common Failure Symptoms
- Diagnostic Flowchart
- Known Issues, Recalls, and Technical Service Bulletins (TSBs)
- Torque Converter Shudder (TSB #16-NA-175 / TSB #18-NA-355)
- TEHCM and Solenoid Failure
- Replacement Cost Estimates
- What Fails at Every Mileage Band
- Under 60K Miles
- 60K-100K Miles
- 100K-150K+ Miles
- Real Owner Experiences
- Repair or Replace?
- When Repair Makes Sense
- When Replacement is Smarter
- Questions to Ask Your Installer
- Freight & Delivery Reality
- Frequently Asked Questions
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