Derived from the 700R4 transmission, the 4-speed 4L60E transmission was used in nearly all GM rear wheel drive vehicles. There were updates made to it over the years, so not every 4L60 valve body is the same. Some of the differences include the number of solenoids, as well as the type of 4L60E TCC solenoid and 4L60E 3-2 control solenoid.
What Transmission Do I Have?
Now let’s look at some of the most common 4L60 valve body problems and see what you can do about them.
4L60 Applications
4L60 Valve Body Diagnostic Trouble Codes | DTC
| Trouble Code | Description |
|---|---|
| P0706 | Transmission Range Sensor Circuit Range/Performance |
| P0711 | Transmission Fluid Temperature Sensor Circuit Range/Performance |
| P0712 | Transmission Fluid Temperature Sensor Circuit Low Input |
| P0713 | Transmission Fluid Temperature Sensor Circuit High Input |
| P0719 | Torque Converter/Brake Switch B Circuit Low |
| P0724 | Torque Converter/Brake Switch B Circuit High |
| P0740 | Torque Converter Clutch Circuit Malfunction |
| P0748 | Pressure Control Solenoid 'A' Electrical |
| P0751 | Shift Solenoid 'A' Performance or Stuck Off |
| P0753 | Shift Solenoid 'A' Electrical |
| P0756 | Shift Solenoid 'B' Performance or Stuck Off |
| P0757 | Shift Solenoid 'B' Stuck On |
| P0758 | Shift Solenoid 'B' Electrical |
| P0785 | Shift/Timing Solenoid |
| P0894 | Transmission Component Slipping |
| P1860 | TCC PWM Solenoid Circuit Electrical |
| P1870 | Transmission Component Slipping: GM Transmission |
4L60 Valve Body Technical Service Bulletins | TSBs
TSB 01-07-30-023B – Harsh 1-2 upshift with P1870 DTC – 4L60E Transmission RPO M30
1996 Buick Roadmaster – 1996 Cadillac Fleetwood – 1999-2000 Cadillac Escalade – 1996-2000 Chevrolet Camaro – 1996-2000 Corvette – 1996-2000 Pontiac Firebird – 1996-2000 Chevrolet and GMC Light Duty Truck Models – 1996-2000 Oldsmobile Bravada
Problem – Drivers may experience an unusually harsh 1-2 shift because the ECU has commanded maximum line pressure in order to compensate for excessive wear in the bore that contains the TCC isolator and regulator valves inside of the valve body.
Solution – Replace the 4L60E valve body with revised TCC regulator and isolator valves.
TSB 01-07-30-038D – Poor transmission performance/slipping with P0757 DTC – 4L60E Transmission – 4L65E Transmission – 4L70E Transmission
2003-2007 HUMMER H2 – 2006-2007 HUMMER H3 – 2005-2007 Saab 9-7X
Problem – Drivers may experience the loss of 3rd and 4th gear, erratic shifting, slipping, freewheeling above 30 mph and a P0757 DTC.
Solution – In order to repair this transmission problem, the 2-3 shift valve, 2-3 shuttle valve, and the valve bore will need to be cleaned of any debris. The 2-4 band and/or 3-4 clutches may also need to be inspected and changed.
TSB 06-07-30-007A – Harsh 1-2 shift with P0894 DTC – 4L60E Transmission | 4L65 Transmission | 4L70E Transmission
2006 Cadillac Escalade Models – 2006 Chevrolet Light Duty Trucks – 2006 Chevrolet Express Vans – 2006 GMC Light Duty Trucks – 2006 GMC Savana Vans – 2006 Pontiac GTO – 2006 HUMMER H2, H3 – 2006 Saab 9-7X – with 4L60-E / 4L65-E / 4L70-E (RPOs M30, M32, M70) Automatic Transmission
Problem – Drivers may experience an unusually harsh 1-2 shift with a P0894 DTC
Solution – Replace the TCC enable solenoid and/or wiring harness
4L60 Valve Body Problems
No Reverse
One of the most common 4L60E transmission problems is the complete failure to engage reverse. There are many potential sources of this problem, which is ultimately brought on as the miles increase. The first culprit could be the low reverse clutch pack, where the disks are too worn out to engage reverse gear.
If this is the case, you will likely see metal shavings in the transmission fluid when you remove the transmission pan. Or the problem could be coming from the valve body, which could mean that warping occurred due to excessive heat, or the reverse circuit has failed.
Also, inspect the piston bore for scraping and score marks. This type of wear can lead to future reliability issues. So smooth out the bore with emery cloth, then remove the excess dust/debris with Brake Cleaner.
4L60 Valve Body Problem Solutions
If you want a permanent solution to all of your 4L60 valve body problems, then you should consider buying a remanufactured 4L60 valve body from a company like Street Smart Transmission.
Every remanufactured 4L60E valve body is built in a state-of-the-art factory, where every single valve, solenoid, spring and bore are tested, repaired or replaced to ensure that they meet exacting OE specifications. Then they’re fully tested on a specially designed dyno machine to make sure it works properly and is ready to install before it leaves the factory.
What Transmission Do I Have?
Plus, they give you a 3 Year/No-Hassle Warranty. So click here to find out if a remanufactured 4L60 valve body from Street Smart Transmission is right for you.
