Common questions

What to do if your transmission code is p0785?

What to do if your transmission code is p0785?

There are many ways that a technician can address a P0785 code. These methods may include: Replacing a faulty shift solenoid, or shift solenoid pack. Clearing blocked internal transmission fluid passages. Addressing any mechanical failures in the transmission.

How much does it cost to repair a p0785 Chevy?

Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins. The cost of diagnosing the P0785 CHEVROLET code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

What causes p0785 shift timing solenoid malfunction?

Causes for this P0785 transmission code may include: Damaged or defective shift timing solenoid Pin/connector problem (corrosion, melting, broken lock tab etc.) What are some P0785 troubleshooting steps?

When does DTC p0785 set on 3-2 SS?

During a 3-2 downshift, the 2-4 band applies as the 3-4 clutch releases. The PCM varies the timing between the 3-4 clutch release and the 2-4 band apply depending on the vehicle speed and the throttle position. When the PCM detects a continuous open, short to ground or short to power in the 3-2 SS valve assembly circuit, then DTC P0785 sets.

There are many ways that a technician can address a P0785 code. These methods may include: Replacing a faulty shift solenoid, or shift solenoid pack. Clearing blocked internal transmission fluid passages. Addressing any mechanical failures in the transmission.

Causes for this P0785 transmission code may include: Damaged or defective shift timing solenoid Pin/connector problem (corrosion, melting, broken lock tab etc.) What are some P0785 troubleshooting steps?

Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins. The cost of diagnosing the P0785 CHEVROLET code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

During a 3-2 downshift, the 2-4 band applies as the 3-4 clutch releases. The PCM varies the timing between the 3-4 clutch release and the 2-4 band apply depending on the vehicle speed and the throttle position. When the PCM detects a continuous open, short to ground or short to power in the 3-2 SS valve assembly circuit, then DTC P0785 sets.

What is the code for shift timing solenoid a malfunction?

The code P0785 Shift Timing Solenoid A Malfunction is set there is a general malfunction present within the solenoid or its circuit. Note: If you have a GM vehicle (GMC/Chevrolet/etc.) with the 4L60-E transmission, the code description for this is actually Transmission 3-2 Shift Solenoid. What is the severity of this DTC?

What should I do if my transmission is not working?

Repairing a poor electrical connection in the shift/timing solenoid valve circuit. Replace a defective pump in the transmission. After each repair is performed, it is important to clear the code from the PCM and retest the system. If the code does not return, it may mean that the mechanic has performed the right repair to fix the issue.

The code P0785 Shift Timing Solenoid A Malfunction is set there is a general malfunction present within the solenoid or its circuit. Note: If you have a GM vehicle (GMC/Chevrolet/etc.) with the 4L60-E transmission, the code description for this is actually Transmission 3-2 Shift Solenoid. What is the severity of this DTC?

Repairing a poor electrical connection in the shift/timing solenoid valve circuit. Replace a defective pump in the transmission. After each repair is performed, it is important to clear the code from the PCM and retest the system. If the code does not return, it may mean that the mechanic has performed the right repair to fix the issue.

What causes check engine light and trouble code p1860?

GM has issued a technical service bulletin 01-07-30-002C for the vehicles listed below. GM has advised that the most likely cause for a check engine light and trouble codes P0740, P0753, P0758, P0785, and P1860 may be a faulty ignition switch that causes an open circuit to the transmission.

How does a PCM work on a solenoid?

The PCM (Powertrain Control Module = Fuel Injection Computer) activates and deactivates these two solenoids in a predetermined pattern so that 4 specific gear ratios can be achieved. These are:

What does it mean when your transmission solenoid is stuck?

If the trouble code is telling us that it’s stuck or an electrical problem, it is most likely a wiring or shift solenoid problem. A lot of the shift solenoid codes could be solved by trying to make a transmission fluid replacement or a carry out a transmission flush.

What was the p0783 code on a 2001 Chevy Silverado?

We’re working on a 2001 Chevy Silverado 2500HD.It was stuck in limp mode. We first got the P0783-85 codes, so we replaced both shift solenoids, as well as the wiring harness. Still shot the same codes and was stuck in limp mode. So we replaced the transmission. Still didn’t work.

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Ruth Doyle