The automobile fault code U1555 indicates a problem with the left rear seat heatingventingcooling switch or its related components. The most common symptom is the illumination of the engine light or service engine soon warning light. The cause could be a faulty switch, an open or shorted harness, a poor electrical connection, or a faulty body control module.
The repair importance is moderate, as it affects the comfort of the passengers in the left rear seat. The repair difficulty is low, and the fix involves visually inspecting the wiring harness and connectors, checking for damaged components, and looking for broken, bent, pushed out, or corroded connector’s pins. The repair time is estimated at 1.0 hour.
To interpret the fault code, one needs to use an OBD-II scanner or code reader.
| Repair Importance Level | 10.0 (Out of 10) |
| Estimated Repair Time | Approximately 1.0 hour |
| Repair Difficulty Level | 10.0 (Out of 10) |
Unresponsive Key Fob? U1555 May Be The Culprit
If you notice the Engine Light ON (or Service Engine Soon Warning Light), it could be due to the u1555 fault code. Here are the symptoms to look out for:
- The automobile fault code U1555 has the following symptoms: Engine Light ON, Service Engine Soon Warning Light ON.
Decoding U1555: Common Causes Of The Fault Code
The automobile fault code u1555 can be caused by a range of issues, including a faulty switch or poor electrical connection.
- The automobile fault code U1555 can be caused by a faulty left rear seat heating/venting/cooling switch.
- It can also be caused by an open or shorted harness in the left rear seat heating/venting/cooling switch.
- Another cause can be a poor electrical connection in the left rear seat heating/venting/cooling switch circuit.
- Lastly, a faulty body control module (BCM) can also cause the U1555 fault code.
Fix U1555: Simple Steps To Solve The Fault Code
Below are the possible fixes for the automobile fault code u1555.
- To fix the automobile fault code u1555, first, check the possible causes listed above.
- Then, 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.
- This fix will take an estimated repair time of 1.0 hour.
Cracking The Code: U1555 Repair Cost And Complexity
The factors that influence the cost of diagnosing and fixing the automobile fault code U1555 are the estimated repair time and the hourly rate charged by the auto repair shop. The estimated repair time for this fault code is 1.0 hour. The cost of repair is commonly charged between $75 and $150 per hour by most auto repair shops.
These two factors are the most influential in determining the overall cost of diagnosing and fixing the U1555 fault code.
Unlock The Mystery: U1555 Fault Code Explained
The U1555 fault code is related to the Local Interconnect Network (LIN) Bus in automobiles. LIN Bus is a single wire transmission system with a speed of 10.417 Kbits.
The code is set when the Body Control Module (BCM) loses communication with the Left Rear Seat HeatingVentingCooling Switch on the LIN Bus. This happens when the supervised periodic message from the switch to the BCM is not received.
The code indicates a problem with the communication system between the BCM and the switch.
FAQ
If your engine light is on and you’re seeing the u1555 fault code, it could be due to a faulty left rear seat heating/venting/cooling switch, an open or shorted harness, a poor electrical connection in the switch circuit, or a faulty body control module. To fix the issue, check the possible causes listed above, visually inspect the wiring harness and connectors, and look for any damaged components or corroded pins in the connectors.
If you’re experiencing the u1555 fault code in your automobile, you may notice that the engine light is on. This could be due to a faulty left rear seat heating/venting/cooling switch, an open or shorted harness, a poor electrical connection in the switch circuit, or a faulty body control module. To fix the issue, start by visually inspecting the wiring harness and connectors, checking for damaged components, and looking for broken, bent, pushed out, or corroded connector pins.
The u1555 automobile fault code can be caused by a faulty Left Rear Seat Heating/Venting/Cooling Switch, an open or shorted harness, a poor electrical connection in the circuit, or a faulty Body Control Module (BCM). To fix the issue, one 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.
Wrap Up
If your engine light is on, it could be due to a faulty left rear seat heatingventingcooling switch, an open or shorted harness, a poor electrical connection, or a faulty body control module. Check for damaged components and inspect the wiring harness and connectors.
