The powertrain control module (PCM) uses the engine coolant temperature (ECT) sensor to monitor the engine for an over temperature condition. When an over temperature condition is present, DTC P1258 will set.
• | A P1258 fault is enabled. |
• | The PCM has performed the coolant temperature check. |
The PCM has disabled the fuel injectors.
Step | Action | Yes | No |
---|---|---|---|
1 | Was the Diagnostic System Check for Engine Cooling performed? | Go to Step 2 | |
2 | Check the engine cooling fans for proper operation. Are the engine cooling fans operative? | Go to Engine Overheating |