PRE-RELEASE
DTC P0817
| DTC P0817 |
| Diagnostic Instructions |
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Perform the
Diagnostic System Check - Vehicle
prior to using this diagnostic procedure.
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Review
Strategy Based Diagnosis
for an overview of the diagnostic approach.
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Diagnostic Procedure Instructions
provides an overview of each diagnostic category.
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| DTC Descriptor |
DTC P0817
Brake Transmission Shift Interlock Solenoid Actuator
| Diagnostic Fault Information |
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
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Signal
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P0817
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-
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| Circuit/System Description |
The transmission range switch is an integral part of the transmission control module (TCM). As the gear range selector lever is moved, the state of the starter inhibit circuit may change, causing the circuit to open or close. An open circuit indicates a drive range and a low voltage signal, 0 V, at the body control module (BCM). A closed circuit indicates PARK or NEUTRAL and a high voltage, 12 V, signal at the BCM. The BCM uses the starter inhibit circuit status from the TCM in order to enable starter operation.
| Conditions for Running the DTC |
P0817
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The ignition voltage is 6.0-16.0 V.
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The transmission is not in emergency mode.
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| Conditions for Setting the DTC |
P0817
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Start lock is output as "On" and start lock monitor signal indicates "Off" for more than 100 ms.
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After consecutive 2 times of above detection.
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| Action Taken When the DTC Sets |
P0817
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DTCs P0817 is Type D DTC.
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No engine start possible.
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| Conditions for Clearing the DTC |
P0817
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DTCs P0817 is Type D DTC.
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Start lock is output as "On" and start lock monitor signal indicates "On" and start lock is output as "Off" and start lock monitor signal indicates "Off" for more than 1 s.
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| Reference Information |
Schematic Reference
Automatic Transmission Controls Schematics
Connector End View Reference
Component Connector End Views
Electrical Information Reference
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Circuit Testing
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Connector Repairs
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Testing for Intermittent Conditions and Poor Connections
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Wiring Repairs
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Description and Operation
Transmission Component and System Description
DTC Type Reference
Powertrain Diagnostic Trouble Code (DTC) Type Definitions
Scan Tool Reference
Control Module References for scan tool information
| Circuit/System Verification |
| 1. |
The engine has to start in range position P and N.
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| 2. |
The engine must not start in all other range positions.
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| Circuit/System Testing |
Dynamic Test
Ignition ON, observe the scan tool Transmission Range Switch parameter while selecting each transmission range: P, R, N, D. Each selected transmission range should correspond to the correct scan tool parameter displayed.| Component Testing |
Static Test
| 1. |
Ignition OFF, remove the wiring harness connector from K71 Transmission Control Module.
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| 2. |
Test the starter inhibit circuit 5 X1 for a short to ground, an open/high resistance, or a short to voltage.
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| 3. |
If the circuit test normal, replace the K71 Transmission Control Module.
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| 4. |
Verify the DTC does not reset. If the DTC resets, replace the K9 Body Control Module.
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| Repair Instructions |
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
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TCM-Refer to
Control Module References
for replacement, setup and programming.
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Perform the
Transmission Adaptive Functions
.
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BCM-Refer to
Body Control Module Replacement (Right Hand Drive)
Body Control Module Replacement (Left Hand Drive)
for replacement, setup and programming.
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