What does the p1860 code on a GM car mean?
P1860 has been a GM staple for years. It can indicate a sticking solenoid, but I’ve never actually managed to fix this by throwing in a solenoid. The problem is that GM uses very simple and reliable solenoids to push their very unreliable and sticky old-style plungers through the valve body. More often than not, a valve body rebuild is needed.
Where is the cooling inlet on a Chevy 4L60 automatic transmission?
The automatic transmission usually has its cooling inlet on the right side with a square oil reservoir. The key distinction of the 4L60E automatic transmission (1997-2006) from the early 4L60E (1992-1997) or 4L60 (1990-1992) or 700R4 (1982- 1989) is the “six hex bolts” of the rear output or rear cover.
What causes a check engine light on a 4L60E?
Heavy Shift Into 2nd With 4L60E This could be due to a worn TCC regulator valve. You will also probably have a check engine light on on the dashboard and a diagnostic code of 1870 – internal slippage. The transmission will need to be taken apart to access the TCC regulator valve.
Why is my transmission slipping on my 4L60E?
Something wrong with the transmission solenoid. Old, damaged, and worn gears. Broken or worn transmission bands. If you do experience transmission slipping problems with your 4L60E, and it’s not down to transmission fluid, then it’s time to visit the local mechanic.
What does the p1860 code on a Chevy mean?
P1860 CHEVROLET Meaning The Torque Converter Clutch Pulse Width Modulation (TCC PWM) solenoid valve controls the fluid acting on the converter clutch valve. The converter clutch valve controls the TCC application and release. The solenoid attaches to the control valve body within the transmission.
What does p1860 mean on a torque converter?
P1860 Meaning. The Torque Converter Clutch Pulse Width Modulation (TCC PWM) solenoid valve controls the fluid acting on the converter clutch valve. The converter clutch valve controls the TCC application and release. The solenoid attaches to the control valve body within the transmission. The solenoid receives ignition voltage through circuit 239.
How much does it cost to repair a p1860 Chevrolet?
The cost to diagnose the P1860 CHEVROLET code is 1.0 hour of labor. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
What are the most common 4L60E transmission problems?
No forward movement in OD or D, but L2, L1 and R work: Forward sprag is broken. Transmission must be removed and rebuilt. Try not to run or drive the car or further damage could result. 18. Extremely harsh shifts from P or N, normal shifts at WOT: EPC (Electronic Pressure Control) solenoid failed.