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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2000CAVALIER BASE, 4D SEDAN, 2.4 TREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 12 (MEMORY SYSTEMS)SELF-DIAGNOSTIC SYSTEMDIAGNOSTIC SYSTEM CHECK
2000 Chevrolet Cavalier Base, 4D Sedan, 2.4 T
Diagnostic System Check
2000 Chevrolet Cavalier Base, 4D Sedan, 2.4 TSECTION Diagnostic System Check
WARNING: This page is about a different car, the 2000 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
- Connect scan tool to Data Link Connector (DLC) located under steering column. If scan tool powers up, go to next step. If scan tool does not power up, go to SCAN TOOL DOES NOT POWER UP under SELF-DIAGNOSTIC SYSTEM in BODY CONTROL MODULES - CORVETTE article.
- Turn ignition on. Attempt to establish communication with the Left Door Control Module (LDCM), Right Door Control Module (RDCM), Seat Control Module (SCM), Body Control Module (BCM) and Powertrain Control Module (PCM). If scan tool communicates with all systems, go to next step. If scan tool does not communicate with all systems, go to SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE under SELF-DIAGNOSTIC SYSTEM in BODY CONTROL MODULES - CORVETTE article.
- Using scan tool, retrieve DTCs from modules listed in step 2 . If scan tool displays any DTCs, go to next step. If scan tool does not display any DTCs, diagnose by symptom.
- If scan tool displays any DTCs which begin with "U", go to SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE under SELF-DIAGNOSTIC SYSTEM in BODY CONTROL MODULES - CORVETTE article. If scan tool does not display any DTCs that begin with "U", go to next step.
- If DTC B0605 is not set, go to next step. If DTC B0605 is set, go to BODY CONTROL MODULE DIAGNOSTIC SYSTEM CHECK under SELF-DIAGNOSTIC SYSTEM in BODY CONTROL MODULES - CORVETTE article.
- If DTC P0562 or P0563 are set, go to appropriate powertrain On-Board Diagnostic (OBD) system check in appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE. If DTC P0562 or P0563 are not set, perform appropriate test under DIAGNOSTIC TESTS. See MEMORY SYSTEM DIAGNOSTIC TROUBLE CODES (DTCs) table.
MEMORY SYSTEM DIAGNOSTIC TROUBLE CODES (DTCs)
| DTC(1) | Description | ||
|---|---|---|---|
| B0846 | Battery 2 Out Of Range (SCM) | ||
| B0851 | Battery 1 Out Of Range (SCM) | ||
| B0856 | 5-Volt Reference Out Of Range (SCM) | ||
| B2242 | Memory No. 1 Switch Fault (LDCM) | ||
| B2244 | Memory No. 2 Switch Fault (LDCM) | ||
| B2262 | Mirror Horizontal Position Sensor Fault (LDCM) | ||
| B2263 | Mirror Horizontal Position Sensor Fault (RDCM) | ||
| B2264 | Mirror Vertical Position Sensor Fault (LDCM) | ||
| B2265 | Mirror Vertical Position Sensor Fault (RDCM) | ||
| B2605 | Seat Front Vertical Position Sensor Failure (SCM) | ||
| B2606 | Seat Rear Vertical Position Sensor Failure (SCM) | ||
| B2607 | Seat Horizontal Position Sensor Failure (SCM) | ||
| B2860 | Column Position Sensor Failure (SCM) | ||
|
|||
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.