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.
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HOMESERVICE MANUALSCHEVROLET2002MONTE CARLO SS DALE EARNHARDTREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 172 (ENGINE CONTROLS - SELF-DIAGNOSTICS)DIAGNOSTIC TESTSDTC P0502: VEHICLE SPEED SENSOR LOW OUTPUTCONDITIONS FOR RUNNING DTC
2002 Chevrolet Monte Carlo SS Dale Earnhardt
Conditions For Running DTC
2002 Chevrolet Monte Carlo SS Dale EarnhardtSECTION Conditions For Running DTC
WARNING: This page is about a different car, the 2003 Cadillac Seville and 2003 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
- No MAF DTCs P0101, P0102 or P0103.
- No MAP DTCs P0106, P0107 or P0108.
- No TP DTCs P0121, P0122 or P0123.
- No VSS DTC P0503.
- No AT ISS DTCs P0716 or P0717.
- No IMS DTCs P1820, P1822, P1823, or P1825.
- The engine run time is greater than 5 seconds.
- The transmission is not in PARK or NEUTRAL.
- The TP angle is greater than 12 percent.
- The engine torque is 44-291 ft. lbs. (60-395 N.m).
- The input shaft speed is 1000-5000 RPM.
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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.