Answer
Jun 07, 2024 - 03:55 AM
Hi there,
The multiple issues happening at the same time should indicate not only one problem in your vehicle. Here is the possible breakdown analysis:
- Transmission problems. The flashing L1/L2 lights and the feeling of it dropping into a lower gear unexpectedly, persistent check engine light (wrench check engine light) indicate a broader communication issue. If the TCM (transmission control module) is losing communication with other control modules like the PCM, it can cause all of those symptoms you experience. A bad transmission control solenoid or valve body could be the cause of the flashing L1/L2 lights and the erratic shifting you were experiencing.
- Sensor and electrical issues. Repeated check engine light shows an intermittent fault. The cross-traffic alert indicates a fault in the vehicle's safety or alert system. Possibly caused by electrical issues, sensors, or control module problems.
- It is best to scan for trouble codes and list down every specific one to identify each of the possible causes. The ECM and TCM manage the engine and transmission operations and faults with that system could lead to multiple issues.
Given the complexity of the problems, it is best to have the vehicle checked by your trusted local auto repair shop or mechanic to perform all the necessary diagnostics and repair procedures in a thorough and systematic approach to isolate those problems. I hope this helps!
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