Preliminary Diagnosis - Battery Message

The following messages turn on when abnormal system voltages are detected by the PCM or IPC.
- BATTERY VOLTS LOW,
- BATTERY VOLTS HIGH
- BATTERY NO CHARGE
- SERVICE ELECTRICAL SYSTEM
Refer to DIAGNOSTIC CODES, for code and message descriptions. A detailed description of each code and message may be found in Instrument Panel, Gauges and Warning Indicators for IPC codes and Engine Controls for Powertrain Control Module (PCM) codes.