For 1990-2009 cars only
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 P161C 00: Tire Size Not ProgrammedCircuit/System Description
This diagnostic addresses if the engine control module (ECM) is not programmed with the tire size.
Conditions for Running the DTC
| • | The ignition is ON. |
| • | The DTC runs continuously once the above condition is met. |
Conditions for Setting the DTC
The ECM detects that the tire size is not programmed in the EEPROM for more than 1 s.
Action Taken When the DTC Sets
DTC P161C is a Type A DTC.
Conditions for Clearing the DTC
DTC P161C is a Type A DTC.
Reference Information
Connector End View Reference
Description and Operation
Engine Control Module Description
DTC Type Reference
Powertrain Diagnostic Trouble Code (DTC) Type Definitions
Scan Tool Reference
Control Module References for scan tool information
Circuit/System Testing
Program the ECM. If DTC P161C sets after programming, perform the following steps:
| • | Ensure that all tool connections are secure. |
| • | Ensure the programming equipment is operating correctly. |
| • | Ensure the correct software and the correct calibration is used. |
| • | Attempt to program the K20 Engine Control Module (ECM). |
| ⇒ | If DTC P161C sets, replace the K20 Engine Control Module (ECM). |
Repair Instructions
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Control Module References for ECM replacement, setup, and programming.
