Hummer H3 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your Hummer H3
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Hummer H3 ProblemsReduced Power and Check Engine Light
The Hummer H3 uses a throttle position sensor (TPS) which commonly fails and causes the following issues:
- Check engine light illumination
- Reduced Power message
- OBD trouble code P2135
This issue is related to the throttle position sensor, and can be caused by faulty wiring to the TPS, bad connection at the TPS, or a failed TPS.
To correct this issue, the wiring harness, connector, and throttle position sensor must be inspected, tested, and/or replaced. The most common cause is a faulty TPS.
A Loose or worn gas cap may cause Check Engine Light to illuminate.
Hummer H3 Questionsunder the hood on the driver side of the jeep behind to the battery (1 answer)
the sun roof on my jeep was not closing fully, and i was driving when it started to rain hard, and alot of water fall inside the car. i have all the seats and mat out of the car washing them. by the hand rest have some module i dont know what it function as yet. but it got wet. and also some wate...
To get out and the call is ring constantly and then stops after I close door? Why is this? Is a light out some where in hummet?
what does the ground look like.
Hummer H3 RecallsHeater And Air Conditioning Fan Speed Control Overheats
The connector module that controls the blower motor speed for the heating, ventilation and air conditioning system may overheat, causing a fire hazard. Dealers will replace part of the blower motor connector and harness free of charge to resolve the concern.
The retaining clips on the non-functional hood louver could brake. The louver could become loose and/or separate from the vehicle. If this were to happen while the vehicle is in motion, personal injury or property damage could result. Dealers will apply adhesive to the underside of the hood louver to secure it. The recall is scheduled to begin on April 12, 2010. The General Motors recall number is 10088.
The front fuel tank support strap may fracture. It it does, the fuel tank would only supported by the rear support strap and the stone shield. Continued driving would eventually fracture the rear support strap and shield fasteners. The fuel tank separating from the vehicle could increase the risk of a crash. Dealers will install an updated fuel tank support strap. The recall began April 10, 2009. The General Motors recall number is 09048.