U1167 – SCP (J1850) Invalid or Missing Data for Cassette Tape

The ODBII code U1167 SCP (J1850) indicates that there is invalid or missing data related to the cassette tape system in the vehicle, often due to communication issues between modules.

The severity of ODBII code U1167 SCP (J1850) Invalid or Missing Data for Cassette Tape is typically considered low.

Common Causes For: U1166 U1166: “Module Communication Failure”

• Faulty wiring or connectors
• Malfunctioning cassette tape player
• Corrupted data communication
• Issues with the vehicle’s data bus
• Software or firmware glitches
• Faulty control module
• Interference from aftermarket devices
• Poor ground connections

Common misdiagnosis for U1167 SCP (J1850) Invalid or Missing Data for Cassette Tape

• Faulty audio system components
• Wiring issues or shorts in the audio system
• Malfunctioning vehicle communication network
• Incorrectly configured audio settings
• Defective or incompatible cassette tape player
• Software glitches in the vehicle’s infotainment system
• Issues with the vehicle’s battery or power supply
• Faulty ground connections in the audio system

Common Troubleshooting Steps

The OBD-II code U1167 indicates an issue with the SCP (Serial Communication Protocol) related to the cassette tape player in the vehicle. This code typically means that the communication between the vehicle’s modules and the cassette tape player is either invalid or missing. Here are some common troubleshooting steps to diagnose and potentially resolve the issue:

• Check for Other Codes: Use an OBD-II scanner to check for any additional trouble codes. Sometimes, multiple codes can provide more context for the issue.
• Inspect Wiring and Connectors:
• Check the wiring harness and connectors related to the cassette tape player and the communication network. Look for any signs of damage, corrosion, or loose connections.
• Ensure that all connectors are securely plugged in.
• Test the Cassette Tape Player:
• If possible, test the cassette tape player to ensure it is functioning correctly. If the player is faulty, it may need to be repaired or replaced.
• Check the Vehicle’s Communication Network:
• Inspect the vehicle’s data bus for any issues. This includes checking for shorts, opens, or other faults in the wiring that could affect communication between modules.
• Use a multimeter to check for proper voltage and ground at the connectors.
• Inspect the Audio System:
• If the vehicle has an integrated audio system, ensure that it is functioning properly. Sometimes, issues with the audio system can affect communication with the cassette player.
• Reset the System:
• Disconnect the vehicle’s battery for a few minutes to reset the system. Reconnect the battery and see if the code reappears.
• Update Software/Firmware:
• Check if there are any software or firmware updates available for the vehicle’s modules. Sometimes, updating the software can resolve communication issues.
• Consult Technical Service Bulletins (TSBs):
• Look for any TSBs related to the U1167 code or the cassette tape player for your specific vehicle make and model. Manufacturers may have specific fixes or recommendations.
• Professional Diagnosis:
• If the issue persists after performing the above steps, consider taking the vehicle to a qualified technician or dealership for a more in-depth diagnosis. They may have specialized tools and knowledge to address the issue. By following these steps, you should be able to identify the cause of the U1167 code and take appropriate action to resolve it.