Saturn L100 light service keys issue with no star and no engine start on Saturn L100

Some Saturn L100 owners report experiencing issues related to the service light, no-start conditions, and engine start problems. These challenges may necessitate the use of an OBD II scanner to reset the Malfunction Indicator Lamp (MIL). Additionally, no-start problems can often stem from complications with the alternator, starter, battery, connections, ignition system, or fuel system. A skewed reading from the crankshaft position (CKP) sensor may also result in hard or no-start conditions by inhibiting the activation of spark and fuel systems. Furthermore, if the ABS system fails to activate its telltale, it can signal the Body Control Module (BCM) to illuminate the SERVICE (Wrench) light, indicating the need for a diagnostic scan to retrieve trouble codes. To accurately diagnose the issues causing the check engine light to illuminate, it is advisable for owners to have their vehicle's computer scanned, as this provides critical information for effective troubleshooting.