Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1997 Saab 9000 CS, AutomaticFACTORY OEM SERVICE PROCEDURE
Diagnostic Trouble Code (DTC) Definition
DIAGNOSTIC TROUBLE CODES (DTC)
| DTC | Malfunction Indicated |
|---|---|
| P0105 | MAP Sensor; Faulty Operation |
| P0106 | MAP Sensor; Faulty Input |
| P0107 | MAP Sensor; Signal Low Or Shorted To Ground |
| P0108 | MAP Sensor; Signal High Or Shorted To Battery Voltage |
| P0110 | IAT Sensor; Faulty Operation |
| P0112 | IAT Sensor Signal Low Or Shorted To Ground |
| P0113 | IAT Sensor Signal High, Shorted To Battery Voltage, Or Open |
| P0115 | ECT Sensor; Faulty Operation |
| P0117 | ECT Sensor Signal Low Or Shorted To Ground |
| P0118 | ECT Sensor Signal High, Shorted To Battery Voltage, Or Open |
| P0120 | TP Sensor; Faulty Operation |
| P0121 | TP Sensor; Faulty Input |
| P0122 | TP Sensor Signal Low Or Shorted To Ground |
| P0123 | TP Sensor Signal High, Shorted To Battery Voltage, Or Open |
| P0125 | CTS Sensor; Faulty Operation |
| P0130 | Front HO2S; Faulty Operation |
| P0131 | Front HO2S; Low Voltage |
| P0132 | Front HO2S Signal High (Rich) Or Shorted To Battery Voltage |
| P0133 | Front HO2S; Poor Response |
| P0135 | Front HO2S Heater; Current Outside Limits |
| P0136 | Rear HO2S Heater; Faulty Operation |
| P0138 | Rear HO2S Heater; Shorted To Voltage |
| P0140 | Rear HO2S Heater; Shorted To Ground Or Open |
| P0141 | Rear HO2S Heater; Current Outside Limits |
| P0170 | Faulty Mixture |
| P0171 | Lean Mixture |
| P0172 | Rich Mixture |
| P0300 | Misfire; Random |
| P0301 | Misfire; Cyl. No. 1 |
| P0302 | Misfire; Cyl. No. 2 |
| P0303 | Misfire; Cyl. No. 3 |
| P0304 | Misfire; Cyl. No. 4 |
| P0327 | Ignition Coil Module; No Knock Signal |
| P0335 | CKP Sensor Signal; Faulty Operation |
| P0340 | CPS Sensor Signal; Faulty Operation |
| P0441 | EVAP Purge Valve; Low Flow |
| P0443 | EVAP Valve Control Circuit Faulty |
| P0444 | EVAP Valve Control Ckt Current Too High Or Open Ckt |
| P0445 | EVAP Valve Control Ckt Current Too Low Or Shorted To Gnd |
| P0500 | VSS; Faulty Operation |
| P0501 | VSS; Signal Outside Limits |
| P0502 | VSS; No Signal |
| P0505 | IAC Valve; Faulty Operation |
| P0506 | IAC Valve; Idle Speed Too Low |
| P0507 | IAC Valve; Idle Speed Too High |
| P1170 | Closed Loop; Malfunction |
| P1171 | Closed Loop; Lean Mixture |
| P1172 | Closed Loop; Rich Mixture |
| P1416 | Low Fuel Level |
| P1549 | Boost Pressure Control; Malfunction |
| P1576 | Brake Light Switch; Short To Voltage |
| P1577 | Brake Light Switch; Open Circuit |
| P1651 | RAM Fault |
| P1652 | ROM Fault |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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