Trouble Code Id Chart
SPECTRUM TROUBLE CODE IDENTIFICATION CHART
| Code |
System Affected |
Probable Cause |
| 12 |
No Dist. Reference Pulse To ECM |
Open Circuit |
| 13 |
Oxygen Sensor |
Open Circuit |
| 14 |
Coolant Temperature |
High Temp. Indicated |
| 15 |
Coolant Temperature |
Low Temperature Indicated |
| 21 |
TPS & Idle Switch Circuit |
Open Or Short To Voltage |
| 22 |
Fuel Cut-Off Relay Circuit |
Open Or Grounded |
| 23 |
Mixture Control Solenoid Circuit |
Open Or Grounded |
| 25 |
AIR VSV Solenoid Circuit |
Open Or Grounded |
| 42 |
Fuel Cut-Off Relay Circuit |
Voltage High |
| 44 |
Oxygen Sensor Circuit |
Lean Exhaust Indicated |
| 45 |
Oxygen Sensor Circuit |
Rich Exhaust Indicated |
| 51 |
PROM Error |
Faulty Or Incorrect PROM |
| 53 |
AIR VSV Solenoid Circuit |
Voltage High |
| 54 |
Mixture Control Solenoid Circuit |
Signal Voltage High |
| 55 |
ECM Error |
Water Leaking Onto ECM Or Corrosion |