• | Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. |
• | Review Strategy Based Diagnosis for an overview of the diagnostic approach. |
• | Diagnostic Procedure Instructions provides an overview of each diagnostic category. |
Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
---|---|---|---|---|
B+ | C0895 00 | C0895 00 | -- | -- |
Ground | -- | C0895 00 | -- | -- |
Circuit | Short to Ground | Open | Short to Voltage |
---|---|---|---|
Operating Conditions: Ignition ON, Engine OFF. Parameter Normal Value: 12.6 Volts | |||
B+ | 0.0 Volts* | 0.0 Volts* | 12.6 Volts |
*The scan tool will not communicate with the ESC module if there is 0 Volts on the circuit. |
Voltage is supplied to the electronic suspension control (ESC) module by the battery positive (B+) voltage circuit. The ESC module monitors the supplied voltage to determine if it is within a valid operating range. Damage to components, and incorrect data may occur if the voltage is out of range. The ESC module disables all outputs, and sets DTC C0895 00, if high or low battery voltage is detected.
The ignition is ON.
Battery voltage is outside the normal range of 9.0-15.5 volts.
The ESC module disables all functionality.
• | A current DTC will clear when the ESC module receives battery voltage in the normal range of 9-15.5 volts. |
• | A history DTC will clear if the condition does not return after 50 consecutive ignition cycles. |
• | A high or low voltage value in multiple modules indicates a concern in the charging system. |
• | Overcharging with a battery charger or jump starting can cause this DTC to set. |
• | Inspect ground connection G400. Verify that it is clean and tight. |
Control Module References for scan tool information
⇒ | If not within the specified range, refer to Charging System Test . |
⇒ | If greater than the specified range, test the ground circuit for an open/high resistance. |
⇒ | If the test lamp does not illuminate, test the B+ circuit for a short to ground or an open/high resistance. |
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Control Module References for ESC module replacement, setup and programming.