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P2004 Fault Code in 2007 Dodge Caliber RT: Causes and Fixes

Model: dodge caliber rt Fault Code: P2004 Posted: 2014-07-01 06:41

I own a 2007 Dodge Caliber RT with a 2.4L engine, and my vehicle is currently displaying the P2004 diagnostic trouble code. What does this code mean, and what steps should I take to resolve it? The P2004 code indicates a malfunction in the intake manifold tuning valve (also known as the EGR or tuning valve), which can lead to poor engine performance, increased emissions, or even stalling under load. This issue is commonly reported in 2007 Dodge Caliber RT models. To address this, it's recommended to inspect the tuning valve located on the intake manifold near the MAP sensor. The valve is a small box-shaped electrical actuator situated opposite the PCV and air inlet duct end of the intake system. It operates via an electric solenoid and is controlled by the Power Distribution Control (PDC) module, which includes both a fuse and relay. A Technical Service Bulletin (TSB), TSB 18-032-07, has been issued for this issue in certain 2007 Dodge Caliber RT models. The TSB recommends replacing the faulty tuning valve or related components to restore proper engine function. Important note: A TSB does not automatically mean a free repair—owners should verify with their authorized dealer whether the repair is covered under warranty or service plan.

Related fault codes
P2004
Comments (2)
Anonymous 2014-07-01 13:49

The intake manifold tuning valve may be stuck open, causing improper air flow and triggering the P2004 code. It's essential to consult your authorized Dodge dealer, as TSB 18-032-07 provides specific guidance for this issue. Note that a TSB is not automatically free—costs may apply depending on service coverage. PS: I'm interested in how dealerships typically handle such repairs and whether they follow the recommended TSB procedures.

Anonymous 2014-07-01 15:01

Additional details: The tuning valve is located on the intake manifold, near the MAP sensor. It's a small box-shaped electrical actuator positioned at the opposite end of the intake from the PCV and air inlet duct. The system includes a fuse and relay (both located in the PDC module) as well as an actuator or solenoid. To troubleshoot: remove the actuator and manually check if the valve inside the manifold moves freely. This physical test can help determine whether the issue is mechanical or electrical.