Diagnostic Codes
DIAGNOSTIC CODES
| Code | Definition |
|---|---|
| Code 12 | No distributor reference pulse to ECM |
| Code 13 | O2 sensor circuit is open (lean fuel condition) |
| Code 14 | CTS voltage signal low |
| Code 15 | CTS voltage signal high |
| Code 21 | TPS voltage signal high |
| Code 22 | TPS voltage signal low |
| Code 23 | MAT sensor voltage signal high |
| Code 24 | VSS malfunction |
| Code 25 | MAT sensor voltage signal low |
| Code 31 | Turbocharger wastegate control malfunction |
| Code 32 | EGR system control malfunction |
| Code 33 | MAP sensor voltage signal high |
| Code 34 | MAP sensor voltage signal low |
| Code 42 | Electronic Spark Timing (EST) malfunction |
| Code 43 | Detonation sensor malfunction |
| Code 44 | Lean exhaust indication |
| Code 45 | Rich exhaust indication |
| Code 51 | MEM-CAL failure |