C1020moderate severityChassis
Battery Voltage Low
on 2008 Dodge Viper 8.4L V10 · RWD
What this code means
The ABS/ESP module detects system voltage below the operating threshold. Low voltage can cause stability and brake systems to shut down.
Symptoms
- ABS and ESP lights on
- Warning messages on cluster
- Intermittent system dropout
Common causes
- Weak or discharged battery
- Failing alternator
- Corroded battery terminals
- Poor ground connection
Diagnostic steps
- Test battery state of charge
- Check alternator output
- Inspect terminals and grounds
- Measure voltage at ABS module
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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