DTC P3996
Diagnostic Instructions
DTC Descriptor
DTC P3996 07: Control Module Performance |
Circuit/System Description
This DTC applies to internal microprocessor integrity conditions
within the engine control module (ECM).
Conditions for Running the DTC
• |
The DTCs run continuously once
the above condition is met. |
Conditions for Setting the DTC
The ECM detects an internal condition for greater than 1 s.
Action Taken When the DTC Sets
DTC P3996 07 is a Type A DTC.
Conditions for Clearing the DTC
DTC P3996 07 is a Type A DTC.
Reference Information
DTC Type Reference
Powertrain Diagnostic Trouble Code (DTC) Type Definitions
Circuit/System Testing
1. |
Observe the Freeze
Frame/Failure Records with a scan tool. |
2. |
Clear the DTCs with a scan
tool. |
3. |
Ignition OFF for 30 s.
|
4. |
Operate the vehicle within the
Conditions for Running the DTC. You may also operate the vehicle
within the conditions that you observed from the Freeze
Frame/Failure Records. |
⇒ |
If DTC resets, replace the K20 Engine Control
Module. |
Repair Instructions
Perform the
Diagnostic Repair Verification after completing the diagnostic
procedure.
Control Module References for ECM replacement, setup, and
programming
|