Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
Narrow by vehicle
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
P111A:00Engine coolant temperature is high
P111A:00ENGINE COOLANT TEMPERATURE IS HIGH
Manufacturer communications
2Original wording in English
MAZDA
Some vehicles may exhibit engine overheating and poor A/C performance with DTC P111A:00 stored in memory. à ̄‚· DTC P111A:00 - Engine coolant temperature is high. NOTE: If the concern occurred during high speed driving, this Service Information is not applicable. Diagnose concern according to MGSS online. This concern may be d…
MAZDA
SOME VEHICLES MAY EXHIBIT ONE OR MORE OF THE FOLLOWING CONCERNS: • THE HIGH ENGINE COOLANT TEMPERATURE WARNING LIGHT ON WITH DTC P111A:00 (ENGINE COOLANT TEMPERATURE IS HIGH) IN EXTREMELY COLD TEMPERATURES. • POOR HEATER PERFORMANCE. • LOW COOLANT CONCENTRATION. THE COOLANT CONCENTRATION MAY NOT HAVE BEEN ADJUSTED PROPERLY DURIN…
Check vehicle applicability
4A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.