P16C2
Engine Control Module Self-Test Speed Limitation Monitoring Fault
P16C2 is an OBD-II diagnostic trouble code meaning: Engine Control Module Self-Test Speed Limitation Monitoring Fault. Common causes: problems with ecu software, malfunction of the electronic control unit itself. Estimated repair cost: $56–278.
Symptoms
- Check Engine light comes on
- Possible slight power loss
- Limitations in the operation of the self-diagnosis system
- In some cases, no obvious symptoms
Causes
- Problems with ECU software
- Malfunction of the electronic control unit itself
- ECU power supply problems
- Corroded or damaged contacts
- Problems with the CAN bus
How to Fix
- Check the condition of the contacts and wiring to the computer
- Check the ECU supply voltage
- Scan the system for other errors
- Update or reflash the ECU software
- If necessary, replace the ECU
Related codes
FAQ
What does the P16C2 code mean?
P16C2 is an OBD-II diagnostic trouble code that indicates: Engine Control Module Self-Test Speed Limitation Monitoring Fault
What causes a P16C2 error code?
The most common causes of P16C2 include: Problems with ECU software; Malfunction of the electronic control unit itself; ECU power supply problems; Corroded or damaged contacts.
How do I fix a P16C2 diagnostic trouble code?
To fix P16C2: Check the condition of the contacts and wiring to the computer. Check the ECU supply voltage. Scan the system for other errors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P16C2?
Yes, but get it checked soon
How much does it cost to fix P16C2?
The estimated repair cost for P16C2 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat