In the day, the Chevrolet Avalanche was around as American a auto as you can get. It was fifty percent full-size truck, fifty percent SUV, and totally awesome. Granted, most owners probably never lower the mid-gate and used the van bed the way it to be intended. However hey, at least they tho looked cool. And also they could backup the looks with one of several powerful V8 engines. In all, the powertrain was pretty much bulletproof, yet Chevy Avalanche transmission difficulties do still occur. Therefore let’s uncover out what you can do about them.

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What Transmission execute I Have?


Chevy Avalanche infection Models

Chevy Avalanche 1500: 4L60E infection (Early Models)Chevy Avalanche 2500: 4L80E infection (2500 only)Chevy Avalanche: 6L80 infection (Late Models)

Chevy AvalancheTransmission Replacement price Estimate

Pricing varies by model. To be 100% certain on pricing, have your VIN# handy and use ourGet one Estimate feature to look increase your infection by VIN#.

Replacement Chevy Avalanche transmission Prices:TransmissionStreet clever TransmissionAutozoneAdvance Auto PartsDealer Retail
4L60E / 4L65E1671169917992133
4L80E1875188918902800
6L80 / 6L902247252025392930

What room the DTC codes regarded Chevy Avalanche transmission problems?

Trouble CodeDescription
P0706Transmission variety Sensor Circuit Range/Performance
P0711Transmission fluid Temperature Sensor Circuit Range/Performance
P0712Transmission liquid Temperature Sensor Circuit low Input
P0713Transmission fluid Temperature Sensor Circuit High Input
P0714Transmission fluid Temperature Sensor Circuit Intermittent P0715
P0715Input/Turbine rate Sensor Circuit
P0716Input/Turbine speed Sensor Circuit Range/Performance 
P0717Input/Turbine rate Sensor Circuit No Signal
P0718Input/Turbine rate Sensor Circuit Intermittent
P0719Torque Converter/Brake move B Circuit Low
P0720Output speed Sensor Circuit
P0721Output speed Sensor Circuit Range/Performance
P0723Output rate Sensor Circuit Intermittent
P0724 Torque Converter/Brake move B Circuit High
P0740Torque Converter Clutch Circuit Malfunction
P0741Torque Converter Clutch Circuit
P0742Torque Converter Clutch Circuit grounding On
P0748Pressure regulate Solenoid "A" Electrical
P0751Shift Solenoid "A" power or stuck Off
P0752Shift Solenoid "A" stuck On
P0753Shift Solenoid "A" Electrical
P0756Shift Solenoid "B" power or grounding Off
P0757Shift Solenoid "B" stuck On
P0758Shift Solenoid "B" Electrical
P0776Pressure manage Solenoid "B" performance or grounding Off
P0777Pressure manage Solenoid "B" grounding On
P0785Shift/Timing Solenoid
P0796Pressure manage Solenoid "C" power or stuck off
P0894Transmission component Slipping
P0965Pressure control Solenoid “B” control Circuit Range/Performance
P0966Pressure regulate Solenoid “B” control Circuit Low
P0967Pressure regulate Solenoid “B” control Circuit High
P1860TCC PWM Solenoid Circuit Electrical
P1870Transmission component Slipping: GM Transmission
P2715Pressure regulate Solenoid ‘D’ stuck On

Chevy Avalanche transmission Recalls

None Found

Chevy Avalanche Technical company Bulletins (TSB)

TSB PIP4051C – Harsh shifting – Chevy Avalanche 4L60E Problem – Unusually harsh equipment changes, an unified with a P0717 DTC for an input obelisk speed sensor error, are frequently caused by damage to the ISS sensor wiring.Solution – If wire damage is found (usually to the white wire), the wiring and also sensor will have to be replaced. The pump cover should also be check for sharp points/edges that might damage the wiring. If any are found, they need to be smoothed v a file.

TSB PI488C – No front or turning back and/or slipping – 6L80 infection | 6L90 transmission 2010 – 2014 Cadillac CTS-V – 2010 – 2014 Cadillac Escalade (all models) – 2010 – 2013 Chevrolet Avalanche – 2010 – 2014 Chevrolet Camaro – 2010 – 2014 Chevrolet Corvette – 2010 – 2014 Chevrolet refer – 2010 – 2014 Chevrolet Silverado – 2010 – 2014 Chevrolet Suburban – 2010 – 2014 Chevrolet Tahoe – 2011 – 2014 Chevrolet Caprice PPV – 2014 Chevrolet SS – 2010 – 2014 GMC Savana – 2010 – 2014 GMC Sierra – 2010 – 2014 GMC Yukon – 2010 – 2014 GMC Yukon XL – 2010 – 2014 GMC Yukon DenaliProblem – Trucks equipped through the 6-speed 6L80 or 6L90 transmission may experience no front or turning back engagement, or slipping between the gears.Solution – This problem might be brought about by a cracked or separation transmission filter. If this is the case, the infection pump have to be disassembled and inspected for feasible damage. Inspect for any kind of of the adhering to conditions: – scored pump rotor or pump vanes – score pump sheathe or pump rotor bag – cracked pump slide.

The infection should additionally be evaluated for any possible distress come the clutches. GM’s testing and analysis found that separation or damaged filters might be caused by a damaged transmission pump. This can send a high pressure liquid spike down the filter neck on a cold start, resulting in the filter human body cracking or the filter seam splitting. The filter is no defective and also this is no a filter high quality issue. Important: perform not change the filter there is no inspecting the pump. Fail to inspect the pump and clutches can lead to a repeat that this condition.

Common Chevy Avalanche infection Problems

Intermittent harsh shifting – Chevy Avalanche 4L60E Problem – A usual Chevy Avalanche transmission difficulty is an intermittent tough 1-2 shift, often accompanied by engine bogging. This condition can be caused by the torque convertor clutch using during the shift.Solution – To remedy the problem, the wiring harness needs to it is in inspected from the transmission case connector come the rear of the engine ~ above the driver side. It’s feasible that the wires for the TCC solenoid and also pressure manage solenoid have come to be frayed ~ above a body seam. If this is the case, the wiring will have to be repaired, and also the exploit repositioned.

Solenoid DTC’s – Chevrolet Avalanche 6L80E Problem – A number of diagnostic trouble codes, including P0776, P0796, P2714 and P2723, can be resulted in by a press leak at the end of the clutch regulation valve.Solution – The bore plug will need to be replaced with to update versions, or modification to expropriate an O-ring kit.

Lack the ResponseLeaking FluidLow FluidBurning SmellHarsh shiftingGrinding or ShakingWhining, Clunking or HummingRefuses to enter GearTorque Converter IssuesValve human body IssuesTransmission loud in NeutralGears SlippingNo 3rd or fourth GearNo first or 2nd GearNo ReverseDragging ClutchTrouble password / examine Engine Light

Can ns drive with a transmission problem?

Even though your Chevy Avalanche transmission difficulties may not seem severe, continuing to usage the truck have the right to make a reasonably simple problem, a lot an ext expensive to fix. In a nutshell, these may be challenging trucks, yet don’t push it.

How frequently does a Chevy Avalanche transmission need to be replaced?

As through all things mechanical, maintenance is the key to a long business life. However, factory design flaws have the right to lead to usual failure points, which have the right to obviously influence performance and longevity. ~ above average, we’ve i found it the Chevrolet Avalanche transmission tends to last between 130,000-180,000 mile in share form. A appropriately updated remanufactured Chevy transmission on the various other hand, deserve to go significantly longer if all of the design flaws have actually been addressed.

How room Chevy Avalanche transmission issues diagnosed?

To number out what is leading to those Chevrolet Avalanche transmission problems, a mechanic will need to connect a code reader to the OBDII port under the dash. After analysis through all of the diagnostic trouble codes that have actually been saved in the ECU, a intuitive inspection deserve to be performed come verify the resource of the problem.

How is a Chevy Avalanche infection replaced?

Since the Chevrolet Avalanche is a rear or four-wheel-drive truck, replacing the transmission merely a matter of unbolting it from the driveshaft(s), engine and frame, climate lowering it the end of the way. Surroundings is a reverse of the removed process. However, once the is in ar (for the 6L80), the ECU/PCM will have to be reprogrammed / reflashed to expropriate the new transmission making use of the recent GM subscription.

Recommendations because that Chevy Avalanche infection issues?

To conserve time and get ago on the road faster, have actually your 17-digit truck VIN# handy and you can gain an online quote because that a reman Chevy Avalanche infection here, then find a regional shop using our uncover a Shop guide to install it because that you.

How to settle Chevy Avalanche infection Problems

Solution A: purchase a provided Chevy Avalanche Transmission

The easiest means to solve all of your Chevrolet Avalanche infection problems, is to gain a supplied 4L60E / used 4L80E / provided 6L80E infection from the local junkyard. They’re reasonably cheap, and most come through a 30-90 day warranty. However with no method to verify the condition of the interior components, you can be literally be buying who else’s problems. And also that warranty probably doesn’t cover labor charges either.

Solution B: to buy a Rebuilt Chevy Avalanche Transmission

The following best way to deal with your Chevrolet Avalanche transmission problems would be to obtain a rebuilt 4L60E / rebuilt 4L80E / rebuilt 6L80E transmission from your mechanic or a infection repair shop. However, if the mechanic supplies an OE master rebuild kit, the transmission will be returned to stock. Which means all that the original difficulties will ultimately return. And also the warranty could only be great at the shop that constructed it.

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Solution C: purchase a Remanufactured Chevy Avalanche Transmission

To fix your Chevrolet Avalanche transmission difficulties the right way, you should think about a remanufactured 4L60E / remanufactured 4L80E / remanufactured 6L80E transmission from a dependable company. If it’s excellent right, all of the factory architecture issues will be dealt with. And if you can discover one through a nationwide warranty, you deserve to be protected from transmission repair receipt no issue where friend go.