U1236
Invalid Or Missing Data For Memory Storage
U1236 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: ~$278.
Symptoms
- Unstable engine operation
- Resetting the on-board computer settings
- The appearance of other errors in the system
- Problems with remembering adaptation parameters
Causes
- ECU software failure
- Control unit power supply problems
- Damage to the internal memory of the ECU
- Corrosion or poor contact in connectors
- Voltage interruptions in the on-board network
How to Fix
- Check the ECU supply voltage
- Inspect connectors and wiring harnesses
- Reset errors with scanner
- Update ECU firmware
- If necessary, replace the control unit
Related codes
FAQ
What does the U1236 code mean?
U1236 is an OBD-II diagnostic trouble code that indicates: Invalid Or Missing Data For Memory Storage
What causes a U1236 error code?
The most common causes of U1236 include: ECU software failure; Control unit power supply problems; Damage to the internal memory of the ECU; Corrosion or poor contact in connectors.
How do I fix a U1236 diagnostic trouble code?
To fix U1236: Check the ECU supply voltage. Inspect connectors and wiring harnesses. Reset errors with scanner. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U1236?
Yes, but get it checked soon
How much does it cost to fix U1236?
The estimated repair cost for U1236 is ~$278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat