| Common problems | 
| 0000 | 5V reference 1 circuit | 
|  | Switch-off timer Capacity | 
|  | sporadic or continue engine shutoff, ecu no voltage | 
|  | ECM/PCM Power Relay Sense Circuit Low | 
| P0266 | 5V reference 2 circuit | 
| P0641 | Overcharging pressure solenoid valve - signal out or voltage range | 
| P0651 | 5V reference 3 circuit | 
| P2147 | 5V reference 4 circuit | 
| P2150 | Ignition 1 Switch Circuit 2 |