U1164 – SCP (J1850) Invalid or Missing Data for Tuner / Receiver

The ODBII code U1164 SCP (J1850) Invalid or Missing Data for Tuner/Receiver indicates that the vehicle’s communication network is not receiving valid data from the tuner or audio receiver module, which may affect audio system functionality.

The severity of ODBII code U1164 SCP (J1850) Invalid or Missing Data for Tuner / Receiver is generally considered moderate.

Common Causes For: U1163 U1163: “Module Communication Failure”

• Faulty tuner/receiver module
• Poor or damaged wiring/connectors
• Corrupted software or firmware in the tuner/receiver
• Communication issues between modules
• Low battery voltage or power supply issues
• Faulty or disconnected antenna
• Interference from other electronic devices
• Grounding issues in the vehicle’s electrical system

Common misdiagnosis for U1164 SCP (J1850) Invalid or Missing Data for Tuner / Receiver

• Faulty tuner/receiver
• Wiring issues or shorts
• Poor ground connections
• Faulty vehicle communication network (CAN bus)
• Malfunctioning body control module (BCM)
• Incorrectly programmed or incompatible aftermarket radio
• Software glitches in the audio system
• Faulty antenna or signal issues

Common Troubleshooting Steps

When dealing with OBD-II code U1164, which indicates “Invalid or Missing Data for Tuner/Receiver” in the context of the SCP (J1850) communication protocol, there are several common troubleshooting steps you can take to diagnose and potentially resolve the issue. Here’s a structured approach:

• Check for Additional Codes: Use an OBD-II scanner to check for any other trouble codes that may be present. Sometimes, multiple codes can provide more context for the issue.
• Inspect Wiring and Connectors: **Visual Inspection: Check the wiring and connectors related to the tuner/receiver for any signs of damage, corrosion, or loose connections.
• **Connector Pins: Ensure that the pins in the connectors are not bent or corroded.
• Test the Tuner/Receiver: If accessible, test the tuner/receiver unit itself. This may involve checking for power and ground at the unit.
• If possible, swap the tuner/receiver with a known good unit to see if the problem persists.
• Check for Communication Issues: Use a scan tool to monitor the communication on the J1850 bus. Look for any irregularities in data transmission.
• Ensure that there are no other devices on the bus that may be causing interference.
• Inspect the Vehicle’s Electrical System: Check the vehicle’s battery and charging system. Low voltage can cause communication issues.
• Inspect fuses related to the audio system and communication modules.
• Update or Reprogram Modules: In some cases, the issue may be resolved by updating or reprogramming the vehicle’s modules. Check with the manufacturer for any available updates.
• Perform a Hard Reset: Disconnect the vehicle’s battery for a few minutes to reset the modules. Reconnect and see if the code reappears.
• Check for Software Issues: If the vehicle has had recent software updates or modifications, ensure that they were performed correctly and are compatible with the vehicle’s systems.
• Consult Technical Service Bulletins (TSBs): Look for any TSBs related to the specific make and model of the vehicle. Manufacturers may have issued guidance on common issues related to the U1164 code.
• Professional Diagnosis: If the issue persists after performing the above steps, consider seeking help from a professional technician or dealership. They may have specialized tools and knowledge to diagnose complex communication issues.Conclusion Troubleshooting OBD-II code U1164 involves a systematic approach to identify and resolve issues related to the tuner/receiver and its communication with the vehicle’s network. Always ensure safety and follow manufacturer guidelines when working on vehicle electronics.