DTC P0864
Diagnostic Instructions
DTC Descriptor
DTC P0864: Invalid Data Received From Transmission Control Module
Circuit/System Description
Some control modules are constantly receiving information from other control modules through serial data communication network. The invalid data code will be set when a receiving control module detects a discrepancy in information it receives from another control module causing its integrity to be questioned. No external circuit diagnosis is involved.
Conditions for Running the DTC
Battery voltage is between 9-16 V and data link communications operate normally.
Conditions for Setting the DTC
The control module is not configured properly.
Action Taken When the DTC Sets
Specific subsystems will not function.
Conditions for Clearing the DTC
• | A current DTC clears when the malfunction is no longer present. |
• | A history DTC clears when the module ignition cycle counter reaches the reset threshold, without a repeat of the malfunction. |
Reference Information
Schematic Reference
Data Communication Schematics
Connector End View Reference
Component Connector End Views
Description and Operation
Data Link Communications Description and Operation
Electrical Information Reference
Scan Tool Reference
Control Module References for scan tool information
Circuit/System Verification
- Start and run the engine for 10 s.
- Ignition ON, engine OFF, verify the appropriate DTC is not set.
⇒ | If the DTC is set along with other codes, diagnose all other codes first. If no other codes are set, program the control module specified by the DTC descriptor. |
- With a scan tool, clear the DTCs.
- Ignition OFF, remove the scan tool, open and close the drivers door.
- Wait 60 s, then verify the DTC is not set.
⇒ | If the DTC is set, replace the appropriate control module. |
Repair Instructions
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Control Module References for control module replacement, setup, and programming
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