The Nightmare on Oak Street: A hunt for 4L30E electrical problems
This story begins with a 4WD 1998 Honda Passport equipped with a 3.2 V6 engine and 4L30E transmission. The shift indicator in the cluster was not functioning correctly and transmission was shifting hard. The shift indicator showed ‘P’ in Park, and ‘1’ in D3, D2, or D1. The indicator didn’t light up in any other
It’s the little things: Double-checking and doing the basics in transmission repair
As transmission technicians, problem-solving is what we do. We see that box that says “customer states” and we already have an idea of what is wrong, and 99% of the time we’re right. After all, it’s the eighth 6L80 we have seen this month. But with an endless list of components and ever-evolving technologies it
Mystery transmission problems: When the code doesn’t match the complaint
This one was a learning experience for me, and I hope my journey will help others if they run into this same scenario. A 2012 Nissan Quest with a 3.5L engine and the RE0F09B transmission came into our shop with the complaint that the CEL was on, there was a loss of power and the
TCRA names new officers and board
The Torque Converter Rebuilders Association (TCRA) recently named its new board and officers. The positions were chosen during the organization’s annual meeting June 24 and 25. Note that not all of these positions are newly elected, as some members return from last year. Here is the full list: President: Mike Cargill (Schaeffler) Vice President: Eric
Simple fixes for bad battery connections
In this article we will discuss bad connections, starting with the battery and ending with, well, the battery. Seemingly every week, we at Certified Transmission get a vehicle in that has an issue at the battery terminals; and if it isn’t causing an issue right now, it will sooner or later. All the following cars
Troubleshooting tips: Narrowing down the reasons for a no-shift situation
A customer brought their 2013 Ram 1500 equipped with a 5.7L/65RFE powertrain to our shop in Omaha, Nebraska, with a complaint that it “will not shift at times.” A quick scan of the truck revealed a P0750 (Low/Reverse Solenoid Circuit) code. I took the vehicle for a road test and was able to duplicate the
Easy fixes to common transmission problems
Transmission makers are always throwing the repair industry curveballs. The challenges seem endless. Sometimes manufacturers will let us know of changes they are doing, while other times they let us figure it out as we go. I would like to go over a few examples we’ve encountered that may help you on a simpler installation
You can’t learn everything from a manual: Ram ProMaster City test case
Today’s adventure starts with a customer coming into the shop with a 2015 Ram ProMaster City van with a 2.4L 4-cylinder engine and a 948TE 9-speed transmission. The customer came to our shop because the battery went dead, and after the new battery was installed, a bunch of warning lights came on. The odometer was
R&R Tech: 62TE transmission not shifting correctly
This article is in reference to a 2012 Chrysler Town & Country equipped with a 62TE transmission and 3.6L engine. While this might not be a technological breakthrough, this case is worthy of discussion as we have seen this issue on numerous occasions over the years. The transmission in this vehicle was one of our
Scoped Out
Chris Adams, Certified Transmission diagnostician, shares the story of a 6R140 and stresses the importance of control.
Snowplow Diagnostics
Mike Greer breaks down an AS68RC, bearing a snowplow, with diagnostic issues.