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2008 Hummer H2 Problems

Find the most common issues based on 2008 Hummer H2 owner complaints.

Most Common 2008 Hummer H2 Problems

One or more heater & AC (HVAC) temperature and/or air delivery mode door actuator may fail, resulting in improper temperature or air delivery. If this occurs, fault code(s) should be stored...
A Loose or worn gas cap may cause Check Engine Light to illuminate.
The steering wheel position sensor may fail, resulting in the service stability message being displayed.
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1 Known 2008 Hummer H2 Brakes Problem

Our technicians recommend flushing the brake fluid every 60,000 miles. Brake fluid that is dirty may cause problems in the brake system.

1 Known 2008 Hummer H2 Drive Train Problem

Our technicians highly recommend that the transmission is serviced every 30,000 miles to avoid problems and maintain optimal operating order.

0 Known 2008 Hummer H2 Electrical & Lights Problems

2 Known 2008 Hummer H2 Engine Problems

The Hummer H2 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 i...
The spark plugs should be replaced every 100,000 miles. Our technicians recommend replacing the spark plug wires also at this time

2 Known 2008 Hummer H2 Exhaust & Emissions Problems

A Loose or worn gas cap may cause Check Engine Light to illuminate.
The 2004-2009 Hummer H2 is known to have issues with the EVAP system, a part of your emission control system. The EVAP canister vent valve or valve solenoid wiring may fail causing illumination of...

2 Known 2008 Hummer H2 Heating & Air Conditioning Problems

One or more heater & AC (HVAC) temperature and/or air delivery mode door actuator may fail, resulting in improper temperature or air delivery. If this occurs, fault code(s) should be stored...
Extended life coolant may become contaminated and require cooling system service before the recommended 100,000 miles.

0 Known 2008 Hummer H2 Maintenance Problems

0 Known 2008 Hummer H2 Miscellaneous Problems

1 Known 2008 Hummer H2 Suspension & Steering Problem

The steering wheel position sensor may fail, resulting in the service stability message being displayed.

9
Known 2008 Hummer H2 Problems & Complaints

One or more heater & AC (HVAC) temperature and/or air delivery mode door actuator may fail, resulting in improper temperature or air delivery. If this occurs, fault code(s) should be stored...
The Hummer H2 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 i...
The 2004-2009 Hummer H2 is known to have issues with the EVAP system, a part of your emission control system. The EVAP canister vent valve or valve solenoid wiring may fail causing illumination of...
Our technicians highly recommend that the transmission is serviced every 30,000 miles to avoid problems and maintain optimal operating order.
A Loose or worn gas cap may cause Check Engine Light to illuminate.
The steering wheel position sensor may fail, resulting in the service stability message being displayed.
Extended life coolant may become contaminated and require cooling system service before the recommended 100,000 miles.
Our technicians recommend flushing the brake fluid every 60,000 miles. Brake fluid that is dirty may cause problems in the brake system.
The spark plugs should be replaced every 100,000 miles. Our technicians recommend replacing the spark plug wires also at this time
Get a Repair Estimate
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RepairPal estimates are guaranteed at over 1,700 quality certified locations nationwide. Learn more
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