DTC C0800
Diagnostic Instructions
DTC Descriptors
DTC C0800 03: Device Power 1 Circuit
Voltage Below Threshold
DTC C0800 07: Device Power 1 Circuit
Voltage Above Threshold
Diagnostic Fault Information
Circuit
|
Short to Ground
|
Open/High Resistance
|
Short to Voltage
|
Signal Performance
|
B+
|
C0800 03
|
C0800 03
|
-
|
-
|
Ground
|
-
|
C0800 03
|
-
|
-
|
Circuit/System Description
The following module/sensors monitor the system voltage circuit
to determine if the voltage is within the normal operating
range:
• |
Handbrake control module |
• |
Power steering control module |
• |
Electronic brake control module |
• |
Suspension control module |
• |
Steering wheel angle sensor |
• |
Multi-axis acceleration sensor |
Conditions for Running the DTC
Ignition is ON.
Conditions for Setting the DTC
C0800 03
The module/sensor detects that the system voltage is less than
9.2 V for 7 seconds.
C0800 07
The module/sensor detects that the system voltage is greater
than 16 V for 7 seconds.
Action Taken When the DTC Sets
A DIC message and/or a warning indicator may be displayed.
Conditions for Clearing the DTC
The system voltage returns to normal operating range.
Diagnostic Aids
• |
A high or low voltage DTC set in multiple
module/sensors indicates a concern in the charging system. |
• |
A possible cause of this DTC could be overcharging
with a battery charger or jump starting. |
Reference Information
Schematic Reference
Control Module References
Connector End View Reference
Component Connector End Views
Electrical Information Reference
Scan Tool Reference
Control Module References for scan tool information
Circuit/System Verification
- Engine running, measure and record the voltage at the
C1 battery terminals.
- Verify that the battery voltage is
12.6-15.0 V.
- Observe the scan tool of the appropriate module
Battery Positive parameter. Verify that the scan tool displays a
value that is within 2 V of the battery terminal voltage.
Circuit/System Testing
- Ignition OFF, disconnect the harness connector at the
appropriate module/sensor.
- Ignition OFF, test for less than 3 Ω
between the ground circuit terminals listed below and ground:
• |
Terminal H, K83 Handbrake control module |
• |
Terminal 1 X1, K43 Power steering control
module |
• |
Terminal 13, K17 Electronic brake control
module |
• |
Terminal 18, K19 Suspension control module |
• |
Terminal 19, K19 Suspension control module |
• |
Terminal 6, B99 Steering wheel angle sensor |
• |
Terminal 6, B119 Multi-axis acceleration
sensor |
⇒ |
If greater than the specified range, test the
ground circuit for an open/high resistance. |
- Ignition ON, verify a test lamp illuminates between
the B+ or ignition circuits listed below and ground:
• |
Terminal A, K83 Handbrake control module |
• |
Terminal 2 X1, K43 Power steering control
module |
• |
Terminal 1, K17 Electronic brake control
module |
• |
Terminal 25, K17 Electronic brake control
module |
• |
Terminal 1, K19 Suspension control module |
• |
Terminal 17, K19 Suspension control module |
• |
Terminal 5, B99 Steering wheel angle sensor |
• |
Terminal 5, B119 Multi-axis acceleration
sensor |
⇒ |
If the test lamp does not illuminate, test the
circuit for an open/high resistance. |
- If all circuits test normal, replace the appropriate
module/sensor.
Repair Instructions
Perform the
Diagnostic Repair Verification after completing the diagnostic
procedure.
|