BMW DTC U1162 – Message Monitoring Transmission Data3 Check Sum Error
DTC U1162 meaning on BMW
The DTC U1162 code on a BMW indicates a Message Monitoring Transmission Data3 Check Sum Error. This error occurs when the data being transmitted between various control modules in the vehicle does not match the expected checksum value. The transmission data3 refers to specific data related to the transmission system of the vehicle.
BMW DTC U1162 symptoms
Symptoms of the BMW DTC U1162 code may include:
- Check Engine Light illuminated
- Transmission shifting issues
- Reduced vehicle performance
BMW DTC U1162 causes
Common causes of the BMW DTC U1162 code include:
- Faulty transmission control module
- Interference in data transmission between control modules
- Wiring or connection issues
BMW DTC U1162 seriousness
The DTC U1162 error code should not be ignored as it can lead to transmission issues and affect the overall performance of the vehicle. It is recommended to address this issue promptly to prevent further damage.
How to diagnose DTC U1162 on BMW
To diagnose the DTC U1162 on a BMW, follow these steps:
- Use a diagnostic scanner to retrieve the fault codes stored in the vehicle’s computer.
- Inspect the transmission control module and related wiring for any visible damage or loose connections.
- Perform a thorough check of the data transmission between control modules to identify any discrepancies.
How to fix DTC U1162 on BMW
To fix the DTC U1162 on a BMW, consider the following:
- Repair or replace any damaged wiring or connections related to the transmission system.
- If the transmission control module is faulty, it may need to be replaced or reprogrammed.
- Clear the fault codes using a diagnostic scanner after addressing the root cause of the issue.
How to erase DTC U1162 on BMW
To erase the DTC U1162 code on a BMW:
- Use a diagnostic scanner to access the vehicle’s computer system.
- Select the option to clear fault codes or reset the transmission system.
- Follow the on-screen prompts to erase the DTC U1162 code from the system.
Recommended tools & DTC Scanners for BMW
Best Diagnostic App for modern BMWs: BimmerLink
Recommended Bluetooth adapter for Bimmerlink: OBDLink CX
Cable adapter for Bimmerlink: Enet Cable USB Type C
For older BMWs we recommend: Autel AutoLink AL319 (2024 version)
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
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