21 Engine Manuals - volvo generator fault/alarm codes with symptom, cause and remedy — compiled from Engine Manuals - volvo service and controller documentation.
| Code | Meaning / symptom | Cause | Remedy |
|---|---|---|---|
| 103°C | Coolant temp and oil pressure switches | ||
| 12 | ECM malfunction in a manner which will not allow the ECM to run a diagnostic of the KS circuit. | ||
| 13 | KS signal is within the assigned voltage range. | ||
| 14 | KS signal is not present. | ||
| 2.4 | -# “8: pause -#: s¢ -e: -s¢ | ||
| 20 | ECM is unable to eliminate the knocking condition using maximum spark retard. | ||
| 738 | Air filter restriction indicator | ||
| 97°C | Coolant temp and oil pressure switches | ||
| DTC 12 | Diagnostic Trouble Code 12 | ||
| DTC 14 | Engine Coolant Temperature (ECT) Sensor Circuit - Low Temperature Indicated | ||
| DTC 15 | Engine Coolant Temperature (ECT) Sensor Circuit - High Temp Indicated | ||
| DTC 21 | Throttle Position (TP) Sensor Circuit - Signal Voltage High (Non-Scan) | ||
| DTC 22 | Throttle Position (TP) Sensor Circuit - Signal Voltage Low (Non-Scan) | ||
| DTC 23 | Intake Air Temperature (IAT) Sensor Circuit - Low Temp Indicated (Non-Scan) | ||
| DTC 25 | Intake Air Temperature (IAT) Sensor Circuit - High Temp Indicated (Non-Scan) | ||
| DTC 33 | Manifold Absolute Pressure (MAP) Sensor Circuit - Signal Voltage High (Non-Scan) | ||
| DTC 34 | Manifold Absolute Pressure (MAP) Sensor Circuit - Signal Voltage Low (Non-Scan) | ||
| DTC 41 | Ignition Coil 1 Control Circuit (Scan) | ||
| DTC 44 | Knock Sensor (KS) 1 Circuit (Scan) | ||
| DTC 51 | Calibration Checksum Failure | ||
| DTC-81 | Non-Scan DiagnosticS |
Compiled from Engine Manuals - volvo service manuals and controller documentation. Cause/remedy shown where extracted; always verify against the manual for your exact model.