The Jeep Code U1134 is an issue that affects the vehicle’s powertrain control module. This code indicates that the Powertrain Control Module (PCM) has either not received a Stop/Start bus message or an implausible bus message from the Body Control Module (BCM). This issue can have many potential causes, ranging from wiring issues with the Stop/Start switch to the Body Control Module (BCM). A thorough diagnosis and repair of the Jeep Code U1134 is necessary to ensure the correct functioning of the powertrain control module.
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Causes and Solutions to Jeep Code U1134
| Cause | Solution |
|---|---|
| STOP/START SWITCH WIRING ISSUE | Inspect the wiring of the Stop/Start switch and repair any broken connections. |
| STOP/START SWITCH | Replace the Stop/Start switch if it is faulty or damaged. |
| BODY CONTROL MODULE (BCM) | Replace the Body Control Module (BCM) if it is faulty or damaged. |
| PCM | Replace the Powertrain Control Module (PCM) if it is faulty or damaged. |
Stop/Start Switch Wiring Issue
The first potential cause of Jeep Code U1134 is an issue with the wiring of the Stop/Start switch. This switch sends a signal to the Powertrain Control Module (PCM) when the vehicle is stopped or started. If the wiring of the controller is damaged or broken, it may not be able to send the correct signal. The switch’s wiring must be inspected to diagnose this issue, and any broken connections must be repaired.
Stop/Start Switch
The second potential cause of Jeep Code U1134 is a faulty or damaged Stop/Start switch. If the button is not functioning correctly, it may be unable to send the correct signal to the Powertrain Control Module (PCM). If this is the case, the switch must be replaced.
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Body Control Module (BCM)
The third potential cause of Jeep Code U1134 is a faulty or damaged Body Control Module (BCM). The BCM sends a signal to the PCM when the vehicle is stopped or started. If the BCM is faulty or damaged, it may be unable to send the correct password. If this is the case, the BCM must be replaced.
Powertrain Control Module (PCM)
The fourth potential cause of Jeep Code U1134 is a faulty or damaged Powertrain Control Module (PCM). If the PCM is not functioning correctly, it may not be able to receive the signal from the BCM. If this is the case, the PCM must be replaced.
Comprehensive Diagnosis and Repair of Jeep Code U1134 Essential
The Jeep Code U1134 is an issue that affects the vehicle’s powertrain control module. This code indicates that the PCM has either not received a Stop/Start bus message or an implausible bus message from the BCM. This issue can have many potential causes, ranging from wiring issues with the Stop/Start switch to the BCM. A comprehensive diagnosis and repair of Jeep Code U1134 is essential to ensure the correct functioning of the powertrain control module. The possible causes of this code include wiring issues with the Stop/Start switch, a faulty or damaged Stop/Start switch, a faulty or damaged BCM, and a defective or damaged PCM. To correct this issue, the wiring of the Stop/Start switch must be inspected, and any broken connections must be repaired. The Stop/Start switch, BCM, and PCM must be replaced if faulty or damaged.
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