When the Check Engine Light illuminates and the code U1136 for a Chevrolet is displayed, it indicates a lost communication with Digital Audio Broadcast. This code appears when the battery voltage is between 9 and 16 volts, and Diagnostic Trouble Codes U1300, U1301, or U1305 are not current. This issue can arise due to various causes, such as an intermittent open between a module and a star connector, a poor connection at a module or a star connector, an intermittent open in a star connector, or an open voltage or ground circuit. Chevrolet U1136 Code can be a complex problem to diagnose, but understanding the causes and potential solutions can help to resolve the issue.
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Causes and Solutions for Chevrolet U1136 Code
| Cause | Solution |
|---|---|
| Intermittent open between module and star connector | Inspect the wiring harness and repair it if necessary |
| Poor connection at the module or star connector | Secure the link and replace it if necessary |
| Intermittent open in star connector | Check for loose terminals and repair them if needed |
| An open voltage or ground circuit | Test the circuit for continuity and repair if necessary |
Intermittent Open Between Module and Star Connector
When the Chevrolet U1136 Code is caused by an intermittent opening between a module and a star connector, the first step is to inspect the wiring harness for any signs of damage. If any damage is found, the wiring harness must be repaired or replaced as necessary. If there is no visible damage to the wiring harness, the terminals should be secured to ensure the connection is solid.
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Poor Connection at Module or Star Connector
If the code U1136 is caused by a poor connection at a module or a star connector, the link should be inspected for any signs of corrosion or other damage. If necessary, the links should be cleaned and tightened. If the connections are still not secure, they may need to be replaced.
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Intermittent Open in Star Connector
When the Check Engine Light illuminates with the code U1136 due to an intermittent opening in a star connector, the terminals should be checked for any signs of looseness or corrosion. If any damage is found, the terminals should be repaired or replaced as necessary.
Open Voltage or Ground Circuit
The course should be tested for continuity if an open voltage or ground circuit causes the code U1136. If the circuit is available, it should be repaired or replaced as necessary.
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Conclusion
The Chevrolet U1136 Code can be a complex problem to diagnose, but understanding the causes and potential solutions can help to resolve the issue. When the Check Engine Light illuminates, and the code U1136 for a Chevrolet is displayed, it is essential to inspect all possible causes and solutions to diagnose and repair the issue properly. If the wiring harness or terminals are damaged, they should be replaced as necessary. If the circuit is open, it should be repaired or replaced. The issue can be properly diagnosed and repaired by understanding the causes and potential solutions for the Chevrolet U1136 Code.
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