18-038-24 REV. B

"Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Codes (DTCs):
• **P2601-00 - Electric Coolant Pump Control Circuit Performance Stuck Off.**
• P219A - Bank 1 Air-Fuel Ratio Imbalance. This bulletin also includes software diagnostic enhancements. This bulletin involves reprogramming the PCM with the latest available software"