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Chevrolet: Navigation Information Not Displaying Accurate Location

Customers may complain the navigation radio is not displaying the correct vehicle location icon on the map accurately after a radio or battery has been replaced or after battery power has been removed from the radio. The vehicle location icon accuracy...

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  The first documented battery that used two dissimilar metals with an electrolyte between them was invented in 1800. Known as the voltaic pile after its ­inventor, Volta, this early battery consisted of copper and zinc discs piled on top of...

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Are You Chasing Weights?

It has happened to all tire techs, probably more than once. You balance a tire, put the weights on, drop the hood again for a check spin — and the balancer comes up asking for more weight. Fine. You add more weight, drop the hood and...it asks for...

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Cadillac CTS Alignment Spec

The first-generation Cadillac CTS was introduced in 2003 and ended production in the 2007 model year. The Cadillac CTS was built on GM’s rear-wheel drive Sigma platform. The CTS for years 2003-’07 came with two suspension packages­ — standard...

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Honda: Easy Fix for Engine Noise

We often encounter engines that have a cold-start knock or ticking noise. In this case, the 3.5-L V6 engines installed in various Honda models can make a knocking or ticking noise at idle and only when warm. The cause of the problem is that the rocker...

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Toyota: Rough idle, surging between 500 to 800 RPM

Model: 2005 Toyota Avalon and some models with similar system configurations, such as 2006 Camry models. Condition: The customer ­complains that the check engine light is on, rough idle and engine idle surging between 500 and 800 rpm. The technician...

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Volkswagen: Engine Does Not Start

Vehicle: 2001 Volkswagen Passat GLX, 2.8L Complaint: The customer says the vehicle will not start. Cause: Confirmed the customer’s complaint and found the vehicle did not start. Connected a scan tool and found the following codes: • 17978...

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Midtronics Launches Informational Microsite

  Midtronics, Inc. has launched an informational microsite — or mini website — to provide customers with detailed information about the company’s newest diagnostic platform — the DSS-7000 Battery Service Diagnostic System. The microsite...

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German Tool Specialist KC Tool Announces Addition of Gedore Tools

As of August 1 KC Tool became the first certified reseller of Gedore Tools in the United States already adding more than 2,500 Gedore tools to its selection of German made tools. KC Tool plans to add an additional 6,000 Gedore Tools over the next few...

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United Stationers Expands Into Auto Aftermarket

United Stationers announced Sept. 11 that its wholly owned subsidiary, United Stationers Supply Co., signed an agreement to acquire MEDCO, a U.S. wholesaler of automotive aftermarket tools and supplies, and its affiliates including G2S Equipment de Fabrication...

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Home x-old ACPN Tech Tip: Dodge Has A P2767 Code With Transmission In Limp In...

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Applies To:
2006 300 3.5L
2006-’07 300 5.7L
2006-’07 Charger 3.5L
2006-’08 Charger 5.7L
2009 Grand Cherokee 3.7L
2006 Magnum 5.7L

Customer Concern:
P2767 trouble code (Torque Conv Clutch Press Ctrl Solenoid Ctrl Circ Range/Perf) is setting. Transmission is in limp in mode.

Potential Causes:
Lead Frame or Transmission Wiring

Tests/Procedures:
1. Check the wiring between the transmission and the transmission control module. Make sure the #2 signal wire is not open, shorted to ground, or shorted to any other circuit.

2. If the wiring checks OK, raise all four wheels off the ground, start the vehicle and place the shifter in drive. While lab scope testing the #2 signal wire, obtain second gear. When the transmission is in second gear, there should be a 5-volt square wave pattern being produced by the #2 sensor. If not, replace the sensor.

Tech Tips:
The speed sensors are sold as a complete assembly, which may be called the “lead frame” or ­possibly the “electrohydraulic control unit.”

Courtesy of Identifix.

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