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.
1996 Geo Prizm Base, StandardFACTORY OEM SERVICE PROCEDURE
Cruise Control System DTCS
CRUISE CONTROL SYSTEM DTCS
| OEM Code | Description |
|---|---|
| 11 | OVERVOLTAGE ON MOTOR OPEN CIRCUIT |
| 12 | MAGNETIC CLUTCH CIRCUIT OPEN OR SHORTED |
| 13 | OPEN MOTOR CIRCUIT OR ABNORMAL THROTTLE POSITION SENSOR SIGNAL |
| 14 | ACTUATOR MOTOR CIRCUIT OPEN OR SHORTED TO GROUND |
| 21 | VEHICLE SPEED SENSOR (VSS) CIRCUIT OPEN OR SHORTED |
| 23 | VEHICLE SPEED DROPS MORE THAN 10 MPH UNDER SET SPEED |
| 32 | CRUISE CONTROL SWITCH SHORTED |
| 34 | ABNORMAL SIGNAL FROM CRUISE CONTROL SWITCH |
| 41 | CONTINUOUS CRUISE CONTROL MODULE (CCM) OUTPUT TO ACTUATOR |
| 42 | LOW SYSTEM VOLTAGE |
| 43 | ABNORMAL IGNITION POWER SUPPLY CIRCUIT |
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.