2010 Cadillac CTS Sedan AWD V6-3.0L Page 1506
DTC P0630
- VIN Not Programmed or Mismatched - Engine Control Module (ECM)
DTC P16F3
- Control Module Redundant Memory Performance
DTC P2610
- Control Module Ignition Off Timer Performance
Circuit/System Description
This diagnostic applies to internal microprocessor integrity conditions within the engine control module (ECM). This diagnostic also addresses if
the ECM is not programmed, or is programmed incorrectly.
Conditions for Running the DTC
P0601, P0606, P0607, P0610, P062B, P0630, P16F3
These DTCs run continuously when the ignition is ON.
P0602, P0603, P062F
These DTCs run at power up.
P0604
DTC P0604 runs continuously when the ignition is ON. First memory scan may take up to 30 s.
P2610
DTC P2610 runs when the ignition is turned OFF.
Conditions for Setting the DTC
The ECM detects an internal failure or incomplete or incorrect programming.
Action Taken When the DTC Sets
* DTCs P0601, P0602, P0603, P0604, P0606, P062B, P062F, P0630 and P16F3 are Type A DTCs.
* DTC P2610 is a Type B DTC.
* DTCs P0607 and P0610 are Type C DTCs.
Conditions for Clearing the DTC
* DTCs P0601, P0602, P0603, P0604, P0606, P062B, P062F, P0630 and P16F3 are Type A DTCs.
* DTC P2610 is a Type B DTC.
* DTCs P0607 and P0610 are Type C DTCs.
Diagnostic Aids
Verify that the battery cables are clean and tight, and the battery is fully charged. Refer to Battery Inspection/Test (See: Starting and
Charging/Testing and Inspection/Component Tests and General Diagnostics/Battery Inspection/Test).
Reference Information
Schematic Reference
Engine Controls Schematics (LLT) (See: Diagrams/Electrical Diagrams/Powertrain Management/System Diagram)Engine Controls Schematics
(LF1) (See: Diagrams/Electrical Diagrams/Powertrain Management/System Diagram)
Connector End View Reference
Component Connector End Views (See: Diagrams/Connector Views)
Electrical Information Reference
* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/Circuit Testing/Circuit Testing)
* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/Connector Repairs/Connector Repairs)
* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/Circuit
Testing/Testing for Intermittent Conditions and Poor Connections)
* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/Wiring Repairs/Wiring Repairs)
