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NHTSA ID Number: 10193431
Manufacturer Communication Number: PIP5743A
Summary
This Preliminary information communicates to the dealer technician diagnostic tips for a vibration concern at low engine speeds. If using these diagnostics shows root cause of the vibration to be the transmission torque converter the torque converter should be replaced.
6 Affected Products
Vehicles
Condition
Customers may comment on a vibration at idle while the transmission is in drive or reverse at 800 to 1000 RPM. The vibration may be more noticeable in reverse and during cold starts. Some customers may comment the vehicle has a short vibration during a launch.
Cause
The cause of this concern may be internal to the torque converter.
Parts Information
| Description | Part Number | QTY |
| Torque Converter | 24288046 | 1 |
SEOCONTENT-START
Bulletin No.: PIP5743A Published date: 04/6/2021 Preliminary Information PIP5743A 2.5L LCV 6L50 MYB Rough Idle Or Vibration While In Gear After A Cold Start 800 to 1000 RPM And Or A Short Vibration At A Launch Models Brand: Chevrolet GMC Model: Colorado Canyon Model Years: 2019 – 2021 2019 – 2021 VIN: from to All All All All Engine: LCV LCV MYB MYB Transmissions: Involved Region or Country Condition Cause North America Customers may comment on a vibration at idle while the transmission is in drive or reverse at 800 to 1000 RPM. The vibration may be more noticeable in reverse and during cold starts. Some customers may comment the vehicle has a short vibration during a launch. The cause of this concern may be internal to the torque converter. Correction: Using a Pico Oscilloscope Diagnostic Kit, mount the Pico Scope 3 axis vibration sensor (TA143) on the inner driver’s seat track with the hole or arrow on the sensor facing towards the front of the vehicle. Start the engine and place the vehicle in drive or reverse. While in the service bay with the vehicle not moving with the service brake applied increase the engine speed between 800 and 1000 RPM in an attempt to duplicate the vibration. Record a 30 second time frame of data. Review the Pico data and the data indicates an E2 vibration at 29 Hz between 1.1 mg to 12.7 mg or an E1 vibration at 14.1 Hz between 1.14 mg to 7.48 mg replace the transmission torque converter. Parts Information Description Torque Converter Part Number 24288046 QTY 1 Warranty Information For vehicles repaired under the Powertrain coverage, use the following labor operation. Reference the Applicable Warranties section of Investigate Vehicle History (IVH) for coverage information. Labor Operation Description Labor Time 8464810 Torque Converter Replacement. Use Publish Labor Time. Version History Version 2 Modified 06/24/2020 – Created on. 04/06/2021 – Added 2021 Model Years
SEOCONTENT-END
1 Associated Document
Manufacturer Communications
Bulletin No.: PIP5743A
Published date: 04/6/2021
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- Use your PicoScope 2000 Series as an advanced oscilloscope, spectrum analyzer, function generator, arbitrary waveform generator and decode over 30 serial protocols as standard out of the box.
- PicoScope 2204A 2 Channel Oscilloscope kit includes: USB 2.0 cable (USB 3.0/3.1 compatible), two x1/x10 passive probes and Quick Start Guide.
- 10 MHz bandwidth, 100 MS/s maximum sampling rate, 8 kS capture memory and Up to 12 bits enhanced vertical resolution.
- Ultra-compact design, USB connected and powered. Travel-friendly and ideal for small-scale setups, it fits in a laptop bag.
- PS7 Software for Windows, Linux and Mac. PicoScope 7 has all the analysis tools you need to get answers quickly, whether carrying out a simple test, or debugging a complex design. New features are continuously being added through free software upgrades, meaning your PicoScope will keep improving!
- Use your PicoScope 2000 Series as an advanced oscilloscope, spectrum analyzer, function generator, arbitrary waveform generator and decode over 30 serial protocols as standard out of the box.
- PicoScope 2204A-D2 2 Channel Oscilloscope kit includes: USB 2.0 cable (USB 3.0/3.1 compatible) and Quick Start Guide.
- 10 MHz bandwidth, 100 MS/s maximum sampling rate, 8 kS capture memory and Up to 12 bits enhanced vertical resolution.
- Ultra-compact design, USB connected and powered. Travel-friendly and ideal for small-scale setups, it fits in a laptop bag.
- PS7 Software for Windows, Linux and Mac. PicoScope 7 has all the analysis tools you need to get answers quickly, whether carrying out a simple test, or debugging a complex design. New features are continuously being added through free software upgrades, meaning your PicoScope will keep improving!
- Oscilloscope probes NOT included
- Oscilloscope probes NOT included
- Scope 2205A 2 channel 25 MHz, 8-bit oscilloscope with probes
- 25 MHz bandwidth
- 1 GS/s sampling
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- Arbitrary waveform generator
- Use your PicoScope 2000 Series as an advanced oscilloscope, spectrum analyzer, function generator, arbitrary waveform generator and decode over 30 serial protocols as standard out of the box.
- PicoScope 2205A 2 Channel Oscilloscope kit includes: USB 2.0 cable (USB 3.0/3.1 compatible), two x1/x10 passive probes and Quick Start Guide.
- 25 MHz bandwidth, 200 MS/s maximum sampling rate, 16 kS capture memory and Up to 12 bits enhanced vertical resolution.
- Ultra-compact design, USB connected and powered. Travel-friendly and ideal for small-scale setups, it fits in a laptop bag.
- PS7 Software for Windows, Linux and Mac. PicoScope 7 has all the analysis tools you need to get answers quickly, whether carrying out a simple test, or debugging a complex design. New features are continuously being added through free software upgrades, meaning your PicoScope will keep improving!
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- Back Probe is made of Stainless Steel ,15pcs with 3 kind (Straight, 90 degree, 135 degree) and five color.
- 5PCS banana plug(standard 4mm) with copper alligator clips wires, 5 colors to identify.
- 2 PCS Nickel plated copper Alligator clips.
- Back Probe can test up to 30 volts. easier use on automotive connectors.
- 4 analog channels
- 25MHz bandwidth
- Built-in AWG in every model
- 500 MS/s
- 48 kS buffer
- HT30A: 3M BNC to banana adapter cable, heavy duty auto test lead. Allowing the oscilloscope away form the car being tested or repaired and placed on the bench
- HT30A: It consists of wide range probes, clips, gators can be plugged into the 4 mm connectors at the end of the cable.Full shield can effectively reduce the noise interference
- HT30A: A special line for assisting automobile measurement instruments to test various types of signals. which also can cooperate with a 20:1 attenuator
- HT201: HT201 Attenuator designed for assisting automobile measurement. Passive attenuator with 20:1 attenuation, if input a 20V signal, it can output a 1V signal. Bandwidth: 10MHz
- This oscilloscope accessories set suitable for auto measurement, it work better when used together, it meet your various demand of your oscilloscope test
- Scope 2205A-D2 2 channel 25 MHz, 8-bit oscilloscope (no probes)
- 25 MHz bandwidth
- Advanced digital triggers
- Arbitrary waveform generator
- Serial decoding
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- Universal Oscilloscope Function: 8 analogue channels, 12 bits resolution, 4K memory depth, 2.4MSa/s real-time sampling rate; 20 automatic measurement modes, can be selected with one key to turn on or off, convenient and intuitive to read the signal measurement results
- Programmable Signal Generator with USB storage: 8 channels, LVTTL output level, 0-250KHz frequency range. Signal generator function to simulate crankshaft and camshaft signals
- The 8-channel oscilloscope is easy to operate and suitable for electricians as well as technicians, hobbyists and electronics enthusiasts to learn basic circuit diagnostics, basic electronic equipment troubleshooting, home appliances and other electronic products. Can transfer signals through the USB 2.0 interface, easy to connect to Android devices such as tablets, smart phones and personal computers
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