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Posts Tagged: Hummer

no start no crank no click – GM

How to diagnose a no start no click on GM vehicle. If you have a late model GM vehicle and turn the key only to hear nothing, you’ll most likely think you have a dead battery—and you may. But a no start, no crank, no click condition can be far more involved than that. In the old days, power flowed through the ignition switch and down to the starter solenoid. Not anymore. The ignition switch now talks to the body control module (BCM) and it’s the BCM that initiates one of … Read More

Passlock III reset procedure

How to do a Passlock III reset This is one in a series of articles. READ THIS FIRST GM made several different types of anti-theft systems. VATS, PassKey, and PassLock. The troubleshoot and reset procedures are different for each. PassLock seems to have the highest failure rate. So if you have a key WITHOUT a chip in it, chances are it’s a PassLock system. This article describes how to troublshoot and fix a PassLock system. But here are some more articles to help Click here to see the resetting procedure … Read More

Passlock reset procedure

How to perform a PassLock Reset This is one in a series of articles. READ THIS FIRST GM made several different types of anti-theft systems. VATS, PassKey, and PassLock. The troubleshoot and reset procedures are different for each. PassLock seems to have the highest failure rate. So if you have a key WITHOUT a chip in it, chances are it’s a PassLock system. This article describes how to troublshoot and fix a PassLock system. But here are some more articles to help Click here to see the resetting procedure for … Read More

Passkey II reset procedure

This is one in a series of articles. READ THIS FIRST GM made several different types of anti-theft systems. VATS, PassKey, and PassLock. The troubleshoot and reset procedures are different for each. PassLock seems to have the highest failure rate. So if you have a key WITHOUT a chip in it, chances are it’s a PassLock system. This article describes how to troublshoot and fix a PassLock system. But here are some more articles to help Click here to see the resetting procedure for PassLock Click here to see the … Read More

Engine ticking noise

Fix engine ticking noise Cobalt, Malibu, Colorado, Envoy, Hummer, Ion, Saab GM has issued a technical service bulletin (TSB) PIP3972A to address a ticking sound on the following vehicles: 2004-2007 Chevrolet Malibu 2005-2007 Pontiac G6 2007 Saturn Aura equipped with a 3.5 LX9 The ticking sound is heard inside the vehicle and appears to come from the right side of the dash at idle speeds or stops. The noise sounds like a lifter click or solenoid click. It is neither. GM says the noise is instead coming from the right … Read More

P1516 P2135 P2138

Fix codes P1516 P2135 P2138 GM has issued a technical service bulletin (TSB) 07-06-04-003 to address a problem with a reduced power and REPEATING trouble codes P1516 P2135 P2138 on the following vehicles: 2005-2006 Chevrolet Cobalt, Cobalt SS, Malibu 2006 Chevrolet Colorado, TrailBlazer 2006 GMC Canyon, Envoy 2006 HUMMER H3 2005-2006 Saturn ION, ION Red Line 2006 Saab 9-7X The codes P1516 Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance, P2135 Throttle Position (TP) Sensor 1-2 Correlation, P2138 Accelerator Pedal Position (APP) Sensor 1-2 Correlation, may NOT require replacement. … Read More

Harsh shift P0717

Fix Harsh shift P0717 Harsh shift on Saab 9-7x, Buick Rainier, Chevrolet Trailblazer, Avalanche, Colorado, Silverado, Suburban, Tahoe, GMC Envoy, Canyon, Sierra, Yukon, Yukon XL, Hummer, vehicles, P0717 GM has issued a technical service bulletin (TSB) PIP4051B for the following vehicles with these transmissions; 4L60E, 4L65E, 4L70E 2006-08 Saab 9-7x 2006-07 Buick Rainier 2007-08 Chevrolet Trailblazer, Avalanche, Colorado, Silverado, Suburban, Tahoe 2006-08 GMC Envoy 2007-08 GMC Canyon, Sierra, Yukon, Yukon XL 2007-08 Hummer The problem shows up as a harsh shift and trouble code P0717. Before performing any major repairs, … Read More


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