C1022moderate severityChassis
Battery Voltage Out of Range
on 2000 Ram 1500 3.9L V6 · 4WD
What this code means
System voltage seen by the ABS/ESP module is outside normal operating limits. Unstable voltage causes intermittent operation of stability and brake systems.
Symptoms
- Intermittent ABS/ESP faults
- Warning lights flickering
- System resets while driving
Common causes
- Weak or failing battery
- Faulty alternator
- Loose or corroded connections
- Poor module power supply
Diagnostic steps
- Load test battery
- Monitor charging voltage
- Inspect power and ground wiring
- Check module supply voltage
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Other Chassis codes on this vehicle
C0021
LF Wheel Speed Sensor Range/Performance
C0022
RF Wheel Speed Sensor Range/Performance
C0023
LR Wheel Speed Sensor Range/Performance
C0024
RR Wheel Speed Sensor Range/Performance
C0025
LF Wheel Speed Sensor Circuit Intermittent
C0026
RF Wheel Speed Sensor Circuit Intermittent
C0027
LR Wheel Speed Sensor Circuit Intermittent
C0028
RR Wheel Speed Sensor Circuit Intermittent
C0035
Left Front Wheel Speed Sensor Circuit
C0036
Left Front Wheel Speed Signal Erratic