U1237
Invalid Or Missing Data For Memory Storage
U1237 is an OBD-II diagnostic trouble code meaning: Invalid Or Missing Data For Memory Storage. Common causes: ecu software failure, control unit power supply problems. Estimated repair cost: ~$556.
Symptoms
- Check Engine light comes on
- Incorrect operation of some vehicle systems
- Resetting settings (such as radio or climate control)
- Problems starting the engine in rare cases
Causes
- ECU software failure
- Control unit power supply problems
- Short circuit in ECU circuit
- Malfunction of the control unit itself
- Dead battery or problems with the generator
How to Fix
- Check battery and generator voltage
- Scan all modules for other errors
- Try to reset the error and check if it returns
- If the error reappears - diagnostics and possible flashing of the ECU
- As a last resort, replace the control unit
Related codes
FAQ
What does the U1237 code mean?
U1237 is an OBD-II diagnostic trouble code that indicates: Invalid Or Missing Data For Memory Storage
What causes a U1237 error code?
The most common causes of U1237 include: ECU software failure; Control unit power supply problems; Short circuit in ECU circuit; Malfunction of the control unit itself.
How do I fix a U1237 diagnostic trouble code?
To fix U1237: Check battery and generator voltage. Scan all modules for other errors. Try to reset the error and check if it returns. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U1237?
Yes, but get it checked soon
How much does it cost to fix U1237?
The estimated repair cost for U1237 is ~$556. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat