The automobile fault code U1187 indicates a problem with a module that is not communicating properly.
This can cause the engine light to turn on, indicating a need for service. The cause of this issue could be a faulty module, an open or shorted module harness, or a poor electrical connection in the module circuit. It is important to visually inspect the wiring harness and connectors for any damage or corrosion.
The repair time for this issue is estimated to be around 1.0. To interpret the fault code, it is recommended to check the “Possible Causes” listed above and look for broken, bent, pushed out, or corroded connector’s pins.
| Repair Importance Level | 10.0 (Out of 10) |
| Estimated Repair Time | Approximately 1.0 hour |
| Repair Difficulty Level | 10.0 (Out of 10) |
Unveiling U1187: Common Symptoms You Shouldn’t Ignore
If you notice the Engine Light ON or Service Engine Soon Warning Light, it could be a sign of u1187 fault code. Here are the symptoms to look out for:
- The U1187 fault code in an automobile can cause the following symptoms: Engine Light ON, Service Engine Soon Warning Light ON, issues with the transmission, problems with the ABS system, issues with the traction control system, problems with the stability control system, and issues with the cruise control system.
- It is important to get this fault code diagnosed and fixed as soon as possible to avoid further damage to the vehicle.
Decoding U1187: Common Causes Of The Fault Code
The automobile fault code u1187 can be caused by a faulty module, open or shorted module harness, or poor electrical connection.
- The automobile fault code U1187 can be caused by a faulty module that is not communicating.
- It can also be caused by an open or shorted module harness.
- Additionally, a poor electrical connection in the module circuit can also trigger this fault code.
Fix U1187: Simple Steps To Get Your Car Running Again
Below are the possible fixes for the automobile fault code u1187, including inspecting wiring harness and connectors for damage or corrosion.
- To fix the automobile fault code u1187, you need to check the possible causes listed above.
- Visually inspect the related wiring harness and connectors for any damage.
- Look for broken, bent, pushed out, or corroded connector’s pins.
- This fix will take an estimated repair time of 1.0 hour.
Crunching The Numbers: U1187 Repair Cost & Complexity
The fault code U1187 indicates a communication issue between the engine control module and the fuel injection control module. The estimated repair time for this fault code is 1.0 hour.
The cost of fixing this issue varies depending on the auto repair shop, but it is common for most shops to charge between $75 and $150 per hour.
Other factors that may influence the cost include the severity of the issue, the type of vehicle, and the location of the repair shop.
Unlocking The Mystery: U1187 Fault Code Explained
The U1187 fault code is related to the class 2 serial data circuit in automobiles. Modules in the circuit monitor for serial data communications during normal vehicle operation. When a module does not associate an identification number with at least one critical parameter within 5 seconds of beginning serial data communication, the U1187 Diagnostic Trouble Code (DTC) is set.
This code indicates that there is invalid or missing data for Primary I.
FAQ
If your engine light is on due to the U1187 fault code, it could be caused by a faulty module that is not communicating, an open or shorted module harness, or a poor electrical connection in the module circuit. To fix this issue, you should visually inspect the related wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector’s pins.
If you’re experiencing the u1187 fault code, which is indicated by the engine light being on or the service engine soon warning light, there are a few things you can do to fix it. The cause of this issue could be a faulty module that is not communicating, an open or shorted module harness, or a poor electrical connection in the module circuit. To address this problem, you should visually inspect the related wiring harness and connectors. Look for any damaged components and check for broken, bent, pushed out, or corroded connector’s pins.
If you encounter damaged components or broken, bent, pushed out, or corroded connector’s pins while fixing the U1187 fault code, follow these steps. First, visually inspect the related wiring harness and connectors. Then, check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins. Finally, fix the issue by replacing or repairing the damaged components or connector pins.
Wrap Up
If your engine light is on, it could be due to a faulty module or poor electrical connection. Check the wiring harness and connectors for damage or corrosion. Look for broken, bent, or pushed out pins.
Inspect the module and circuit for any issues.
