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If the fault code P1607 appears on your 2007 Dodge Caliber (or any other Dodge vehicle), you may be facing a serious issue with your Powertrain Control Module (PCM). This component is crucial for your car's electrical system, so it's essential to address this problem promptly. The most probable culprit is low battery voltage, which is a relatively minor issue. However, other potential causes include a faulty alternator, low engine coolant, inadequate engine cooling, or a failing PCM, which is the most severe scenario and could require a costly replacement costing hundreds of dollars.
The P1607 diagnostic trouble code for the 2007 Dodge Caliber indicates that there may be an issue with the internal shutdown timer of the powertrain control module operating slower than expected.
I once had a code, and my battery terminals were corroded. After cleaning them, the code disappeared immediately. Make sure to inspect your battery terminals.
In 2007, the Dodge Caliber 2.0 received a P1607 diagnostic trouble code.
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