P1607 Serial Communication Problem With Device 7: A Common Issue and How to Avoid It
P1607 Serial Communication Problem With Device 7: Causes, Symptoms and Solutions
If you have a car with an OBD-II system, you may encounter the code P1607 Serial Communication Problem With Device 7. This code indicates that there is a problem with the communication between the Powertrain Control Module (PCM) and another device in the vehicle. The PCM is the main computer that controls the engine and transmission functions, as well as other systems such as fuel injection, ignition, idle speed, and camshaft timing. The device 7 refers to a specific device that varies depending on the make and model of your car, but it could be related to the engine control module, the vacuum solenoid valve, the VVEL control module, or the cruise control input processor.
P1607 Serial Communication Problem With Device 7
The code P1607 Serial Communication Problem With Device 7 can cause various symptoms, such as:
Engine light on (or service engine soon warning light)
Poor engine performance
Reduced fuel economy
Difficulty starting or stalling
Transmission shifting problems
The possible causes of the code P1607 Serial Communication Problem With Device 7 are:
Faulty PCM or device 7
Damaged or loose wiring harness or connectors
Corroded or bent pins in the connectors
Inconsistent coolant temperature reading
To fix the code P1607 Serial Communication Problem With Device 7, you need to follow these steps:
Scan your car with an OBD-II scanner to confirm the code and get more information about the device 7.
Check the wiring harness and connectors for any signs of damage, corrosion, or looseness. Repair or replace as needed.
Check the PCM and device 7 for any signs of damage or malfunction. Test them with a multimeter or a scan tool. Replace as needed.
Clear the code and test drive your car to see if the code comes back. If it does, you may need to consult a professional mechanic for further diagnosis and repair.
The cost to diagnose and fix the code P1607 Serial Communication Problem With Device 7 may vary depending on your location, vehicle's make and model, and labor rates. The average cost of diagnosing the code is $100, while the average cost of replacing the PCM or device 7 is $500-$1000.
The code P1607 Serial Communication Problem With Device 7 is a serious issue that can affect your car's performance and safety. Therefore, it is important to address it as soon as possible and prevent further damage to your car.
Conclusion
The code P1607 Serial Communication Problem With Device 7 is a common and serious problem that can affect many cars with an OBD-II system. It indicates that there is a communication failure between the PCM and another device in the vehicle, which can cause various symptoms such as poor engine performance, reduced fuel economy, difficulty starting or stalling, and transmission shifting problems. The possible causes of this problem are faulty PCM or device 7, damaged or loose wiring harness or connectors, corroded or bent pins in the connectors, or inconsistent coolant temperature reading. To fix this problem, you need to scan your car with an OBD-II scanner, check the wiring harness and connectors, check the PCM and device 7, and clear the code. The cost to diagnose and fix this problem may vary depending on your location, vehicle's make and model, and labor rates. The average cost of diagnosing the code is $100, while the average cost of replacing the PCM or device 7 is $500-$1000. The code P1607 Serial Communication Problem With Device 7 is a serious issue that can affect your car's performance and safety. Therefore, it is important to address it as soon as possible and prevent further damage to your car. a27c54c0b2
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