U1241
Lost Communications With Scan Tool
U1241 is an OBD-II diagnostic trouble code meaning: Lost Communications With Scan Tool. Common causes: damage to the obd-ii diagnostic connector, open or short circuit in diagnostic line wiring. Estimated repair cost: ~$56.
Symptoms
- The scanner does not connect to the ECU
- Intermittent communication with the scanner
- The diagnostic tool does not recognize the vehicle
- Scan errors
- The scanner shows incorrect data
Causes
- Damage to the OBD-II diagnostic connector
- Open or short circuit in diagnostic line wiring
- Scan tool malfunction
- Problems with power supply to the diagnostic connector
- Incompatibility of the scanner with the car
How to Fix
- Check the integrity of the OBD-II diagnostic connector
- Inspect the wiring harness to the connector for damage.
- Try using another compatible scanner
- Check the supply voltage at the connector contacts
- Flash or update the ECU software if necessary
Related codes
FAQ
What does the U1241 code mean?
U1241 is an OBD-II diagnostic trouble code that indicates: Lost Communications With Scan Tool
What causes a U1241 error code?
The most common causes of U1241 include: Damage to the OBD-II diagnostic connector; Open or short circuit in diagnostic line wiring; Scan tool malfunction; Problems with power supply to the diagnostic connector.
How do I fix a U1241 diagnostic trouble code?
To fix U1241: Check the integrity of the OBD-II diagnostic connector. Inspect the wiring harness to the connector for damage.. Try using another compatible scanner. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U1241?
Yes, but get it checked soon
How much does it cost to fix U1241?
The estimated repair cost for U1241 is ~$56. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat