Diagnostic Instructions
| • | 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. |
DTC Descriptor
DTC B0005 00: In Park Signal CircuitDiagnostic Fault Information
Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
Park Enable Signal Circuit | B0005 | 1 | -- | -- |
1. Will cause symptom related to SEO device (6J1). | ||||
Circuit/System Description
The park enable signal circuit is a voltage output from the body control module (BCM) only when the vehicle is not in the PARK position. This circuit is for the control of a SEO device relay when equipped with RPO 6J1.
Conditions for Running the DTC
| • | The system voltage is between 9-16 volts. |
| • | The DTC can only set when the output is actively being requested by the module. |
Conditions for Setting the DTC
The DTC will set only when the module requests the output and there is a short to ground.
Action Taken When the DTC Sets
The module output driver will be shut down and not supply voltage to the circuit.
Conditions for Clearing the DTC
| • | The current DTC will clear when the malfunction is no longer present. |
| • | A history DTC clears when the module ignition cycle counter reaches the reset threshold of 50, without a repeat of the malfunction. |
Reference Information
Schematic Reference
Connector End View Reference
Hydraulic Brake Connector End Views
Description and Operation
Refer to Owner's Manual Supplement - Chevrolet Impala Police Package - Special Equipment Options - Special Equipment Options Standard with Impala Police Package - Description and Operation - Wiring Provisions for 12-Volt Battery Power Supply.
Electrical Information Reference
Scan Tool Reference
Circuit/System Testing
- Ignition OFF, disconnect the SEO relay controlled by the park enable signal circuit.
- Connect a test lamp between the park enable signal circuit and battery positive voltage.
- Ignition ON, transmission in the PARK position. Verify the test lamp does not illuminate.
- If the circuit tests normal and the DTC is current, test or replace the SEO relay.
| ⇒ | If the test lamp illuminates, test for a short to ground on the park enable signal circuit. If the circuit tests normal and the DTC is current, replace the BCM. |
Repair Instructions
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Control Module References for module replacement, setup, and programming
