P050D · Manufacturer communications

CHRYSLER, DODGE · 2016-08-11

Flash: 2.4L Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination or one or more of the following conditions. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: 2015 UF Vehicles with (Sales Codes ED6, ED8) · P050D - Cold Start Rough Idle. · P0335 - Crankshaft Position Sensor Circuit. · P1607 - PCM Internal Shutdown Timer Rationality. · P0133 - O2 Sensor 1/1 Slow Response. · P0456 - EVAP System Small Leak. · P0480 - Cooling Fan 1 Control Circuit/Open. · U0402 - Implausible Data Received From TCM. · P2172 - High Airflow/Vacuum Leak…

CHRYSLER, DODGE · 2016-08-11

Flash: 2.4L Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination or one or more of the following conditions. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: 2015 UF Vehicles with (Sales Codes ED6, ED8) P050D - Cold Start Rough Idle. P0335 - Crankshaft Position Sensor Circuit. P1607 - PCM Internal Shutdown Timer Rationality. P0133 - O2 Sensor 1/1 Slow Response. P0456 - EVAP System Small Leak. P0480 - Cooling Fan 1 Control Circuit/Open. U0402 - Implausible Data Received From TCM. P2172 - High Airflow/Vacuum Leak Detected. P1D73 -…

FIAT · 2016-08-06

Flash: Diagnostic And System Improvements This bulletin involves updating the Body Control Module (BCM), Powertrain Control Module (PCM) and Transmission Control Module (TCM) with the latest available software. All three modules must be updated in this service action. Powertrain Control Module (PCM) Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs): · U1424-00 - Implausible Engine Torque Signal Received. · P0335 - Crankshaft Position Sensor Circuit. · P1185 - General Pressure Sensor Correlation. · P050D - Cold Start Rough Idle. · P1CEC - Variable Valve Solenoid Valve Cold Start Closing Position 1 Timing Over-Retard. · P1CED - VAriable Valve Timing…

FIAT · 2016-08-06

Flash: Diagnostic And System Improvements This bulletin involves updating the Body Control Module (BCM), Powertrain Control Module (PCM) and Transmission Control Module (TCM) with the latest available software. All three modules must be updated in this service action. Powertrain Control Module (PCM) Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs): U1424-00 - Implausible Engine Torque Signal Received. P0335 - Crankshaft Position Sensor Circuit. P1185 - General Pressure Sensor Correlation. P050D - Cold Start Rough Idle. P1CEC - Variable Valve Solenoid Valve Cold Start Closing Position 1 Timing Over-Retard. P1CED - VAriable Valve Timing Solenoid Valve Cold…

DODGE · 2016-08-04

"FLASH: POWERTRAIN DIAGNOSTIC AND SYSTEM IMPROVEMENTS THIS BULLETIN INVOLVES REPROGRAMMING THE POWERTRAIN CONTROL MODULE (PCM) WITH THE LATEST AVAILABLE SOFTWARE. CUSTOMERS MAY EXPERIENCE A MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATION. UPON FURTHER INVESTIGATION THE TECHNICIAN MAY FIND THE FOLLOWING DTCS SET IN THE PCM MEMORY: · **P1066 - CYLINDER 1 OIL SUPPLY SOLENOID VALVE SWITCH OFF TIME OUT OF RANGE. · P1068 - CYLINDER 2 OIL SUPPLY SOLENOID VALVE SWITCH OFF TIME OUT OF RANGE. · P106A - CYLINDER 3 OIL SUPPLY SOLENOID VALVE SWITCH OFF TIME OUT OF RANGE. · P106C - CYLINDER 4 OIL SUPPLY SOLENOID VALVE SWITCH OFF TIME OUT OF RANGE.** · P1185 - GENERAL PRESSURE SENSOR CORRELATION. · P0335 - CRANKSHAFT POSITION SENSOR CIRCUIT. · P050D - COLD START ROUGH IDLE. · P0456 - EVAP SYSTEM SMALL…

CHRYSLER · 2016-07-22

Flash: 2.4L Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following DTCs set in the PCM memory: · **P1185 - General Pressure Sensor Correlation.** · P0101 - Mass Air Flow Sensor "A" Circuit Performance. · P050D - Cold Start Rough Idle. · P0335 - Crankshaft Position Sensor Circuit. · P2610 - PCM Internal Engine Off Timer Performance. P1607 - PCM Internal Shutdown Timer Rationality. · P0133 - O2 Sensor 1/1 Slow Response. · U0402 - Implausible Data Received From TCM. · U1424 - Implausible Engine Torque Signal Received. · P0456 - EVAP System…

RAM · 2016-07-19

Flash: 2.4L Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following DTCs have been set: · **P1185 - General Pressure Sensor Correlation.** · P0441 - EVAP Purge System Performance. · P0506 - Idle Speed Performance Lower Than Expected. · P0171 - Fuel System 1/1 Lean. · P050D - Cold Start Rough Idle. · P0507 - Idle Speed Performance Higher Than Expected. · U0402 - Implausible Data Received From TCM - (Transmission Control Module). · P1607 - PCM Internal Shutdown Timer Rationality. · P0335 - Crankshaft Position Sensor Circuit. · P0456 - EVAP System Small…

CHRYSLER, DODGE · 2016-06-21

Flash: 2.4L Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination or one or more of the following conditions. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: 2015 UF Vehicles with (Sales Codes ED6, ED8) · P050D - Cold Start Rough Idle. · P0335 - Crankshaft Position Sensor Circuit. · P1607 - PCM Internal Shutdown Timer Rationality. · P0133 - O2 Sensor 1/1 Slow Response. · P0456 - EVAP System Small Leak. · P0480 - Cooling Fan 1 Control Circuit/Open. · U0402 - Implausible Data Received From TCM. · P2172 - High Airflow/Vacuum Leak…

CHRYSLER, DODGE · 2016-06-21

Flash: 2.4L Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination or one or more of the following conditions. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: 2015 UF Vehicles with (Sales Codes ED6, ED8) P050D - Cold Start Rough Idle. P0335 - Crankshaft Position Sensor Circuit. P1607 - PCM Internal Shutdown Timer Rationality. P0133 - O2 Sensor 1/1 Slow Response. P0456 - EVAP System Small Leak. P0480 - Cooling Fan 1 Control Circuit/Open. U0402 - Implausible Data Received From TCM. P2172 - High Airflow/Vacuum Leak Detected. P1D73 -…

CHRYSLER, DODGE · 2016-06-21

FLASH: 2.4L POWERTRAIN DIAGNOSTIC AND SYSTEM IMPROVEMENTS. BULLETIN INVOLVES REPROGRAMMING THE POWERTRAIN CONTROL MODULE (PCM) WITH THE LATEST AVAILABLE SOFTWARE. A SMALL NUMBER OF CUSTOMERS MAY EXPERIENCE A MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATION OR ONE OR MORE OF THE FOLLOWING CONDITIONS. UPON FURTHER INVESTIGATION THE TECHNICIAN MAY FIND THE FOLLOWING DIAGNOSTIC TROUBLE CODES (DTCS) SET IN THE PCM, MEMORY:2015 UF VEHICLES WITH (SALES CODES ED6, ED8)· P050D - COLD START ROUGH IDLE. P0335 - CRANKSHAFT POSITION SENSOR CIRCUIT. P1607 - PCM INTERNAL SHUTDOWN TIMER RATIONALITY. P0133 - O2 SENSOR 1/1 SLOW RESPONSE. P0456 - EVAP SYSTEM SMALL LEAK.· P0480 - COOLING FAN 1 CONTROL CIRCUIT/OPEN. U0402 - IMPLAUSIBLE DATA RECEIVED FROM TCM. P2172 - HIGH AIRFLOW/VACUUM LEAK DETECTED.P1D73 - AGS…

JEEP · 2016-06-09

Flash: 2.4L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Engine Control Module (ECM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs): · **P0101 - Mass Air Flow Sensor "A" Circuit Performance.** · P050D - Cold Start Rough Idle. · P0335 - Crankshaft Position Sensor Circuit. · P1185 - General Pressure Sensor Correlation. · P0128 - Thermostat Rationality. · P1CEC - Variable Valve Solenoid Valve Cold Start Closing Position 1 Timing Over-Retard. · P1CED - VAriable Valve Timing Solenoid Valve Cold Start Closing Position Timing Over-Advance. · P1607 - PCM Internal…

JEEP · 2016-06-09

Flash: 2.4L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Engine Control Module (ECM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs): · **P0101 - Mass Air Flow Sensor "A" Circuit Performance.** · P050D - Cold Start Rough Idle. · P0335 - Crankshaft Position Sensor Circuit. · P1185 - General Pressure Sensor Correlation. · P0128 - Thermostat Rationality. · P1CEC - Variable Valve Solenoid Valve Cold Start Closing Position 1 Timing Over-Retard. · P1CED - VAriable Valve Timing Solenoid Valve Cold Start Closing Position Timing Over-Advance. · P1607 - PCM Internal…

FIAT · 2016-06-07

Flash: Diagnostic And System Improvements This bulletin involves updating the Body Control Module (BCM), Powertrain Control Module (PCM) and Transmission Control Module (TCM) with the latest available software. All three modules must be updated in this service action. Powertrain Control Module (PCM) Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs): ·**U1424-00 - Implausible Engine Torque Signal Received. ·P0335 - Crankshaft Position Sensor Circuit. ·P1185 - General Pressure Sensor Correlation. ·P050D - Cold Start Rough Idle. ·P1CEC - Variable Valve Solenoid Valve Cold Start Closing Position 1 Timing Over-Retard. ·P1CED - VAriable Valve Timing Solenoid…

JEEP · 2016-06-04

Flash: 2.4L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Engine Control Module (ECM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) stored in the ECM memory: · **P050D - Cold Start Rough Idle. · P0101 - Mass Air Flow Sensor "A" Circuit Performance. · P0335 - Crankshaft Position Sensor Circuit. · P1CEC - Variable Valve Solenoid Valve Cold Start Closing Position 1 Timing Over-Retard. · P1CED - Variable Valve Timing Solenoid Valve Cold Start Closing Position Timing Over-Advance. · P1607 - PCM Internal Shutdown Timer Rationality. · P0128 - Thermostat Rationality. · P2610 - PCM…

JEEP · 2016-06-04

Flash: 2.4L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Engine Control Module (ECM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) stored in the ECM memory: · **P050D - Cold Start Rough Idle. · P0101 - Mass Air Flow Sensor "A" Circuit Performance. · P0335 - Crankshaft Position Sensor Circuit. · P1CEC - Variable Valve Solenoid Valve Cold Start Closing Position 1 Timing Over-Retard. · P1CED - Variable Valve Timing Solenoid Valve Cold Start Closing Position Timing Over-Advance. · P1607 - PCM Internal Shutdown Timer Rationality. · P0128 - Thermostat Rationality. · P2610 - PCM…

CHRYSLER, DODGE · 2016-06-02

Flash: 2.4L Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination or one or more of the following conditions. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: 2015 UF Vehicles with (Sales Codes ED6, ED8) · P050D - Cold Start Rough Idle. · P0335 - Crankshaft Position Sensor Circuit. · P1607 - PCM Internal Shutdown Timer Rationality. · P0133 - O2 Sensor 1/1 Slow Response. · P0456 - EVAP System Small Leak. · P0480 - Cooling Fan 1 Control Circuit/Open. · U0402 - Implausible Data Received From TCM. · P2172 - High Airflow/Vacuum Leak…

CHRYSLER, DODGE · 2016-06-02

Flash: 2.4L Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination or one or more of the following conditions. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: 2015 UF Vehicles with (Sales Codes ED6, ED8) · P050D - Cold Start Rough Idle. · P0335 - Crankshaft Position Sensor Circuit. · P1607 - PCM Internal Shutdown Timer Rationality. · P0133 - O2 Sensor 1/1 Slow Response. · P0456 - EVAP System Small Leak. · P0480 - Cooling Fan 1 Control Circuit/Open. · U0402 - Implausible Data Received From TCM. · P2172 - High Airflow/Vacuum Leak…

CHRYSLER, DODGE · 2016-06-02

Flash: 2.4L Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination or one or more of the following conditions. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: 2015 UF Vehicles with (Sales Codes ED6, ED8) P050D - Cold Start Rough Idle. P0335 - Crankshaft Position Sensor Circuit. P1607 - PCM Internal Shutdown Timer Rationality. P0133 - O2 Sensor 1/1 Slow Response. P0456 - EVAP System Small Leak. P0480 - Cooling Fan 1 Control Circuit/Open. U0402 - Implausible Data Received From TCM. P2172 - High Airflow/Vacuum Leak Detected. P1D73 -…

JEEP · 2016-05-27

Flash: 2.4L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Engine Control Module (ECM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs): · **P050D - Cold Start Rough Idle. · U1424-00 - Implausible Engine Torque Signal Received. · P0335 - Crankshaft Position Sensor Circuit. · P1185 - General Pressure Sensor Correlation. · P0128 - Thermostat Rationality. · P1CEC - Variable Valve Solenoid Valve Cold Start Closing Position 1 Timing Over-Retard. · P1CED - VAriable Valve Timing Solenoid Valve Cold Start Closing Position Timing Over-Advance. · P1607 - PCM Internal…

DODGE · 2016-05-25

Flash: 2.4L Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: · **P1185 - General Pressure Sensor Correlation.** · P0335 - Crankshaft Position Sensor Circuit. · P050D - Cold Start Rough Idle. · P0456 - Evap System Small Leak. · P0133 - O2 Sensor 1/1 Slow Response (additional enhancements). · P2610 - PCM Internal Engine Off Timer Performance. · P1607 - PCM Internal Shutdown Timer Rationality. **In addition to the above DTCs, this software release also includes these…

DODGE · 2016-05-25

Flash: 2.4L Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: · **P1185 - General Pressure Sensor Correlation.** · P0335 - Crankshaft Position Sensor Circuit. · P050D - Cold Start Rough Idle. · P0456 - Evap System Small Leak. · P0133 - O2 Sensor 1/1 Slow Response (additional enhancements). · P2610 - PCM Internal Engine Off Timer Performance. · P1607 - PCM Internal Shutdown Timer Rationality. **In addition to the above DTCs, this software release also includes these…

JEEP · 2016-05-20

Flash: 2.4L Powertrain Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following DTCs: 2015 KL Only · **P0335 - Crankshaft Position Sensor Circuit.** · P0456 - EVAP System Small Leak. · P0300 - Multiple Cylinder Misfire. · P0301 - Cylinder 1 Misfire. · P0302 - Cylinder 2 Misfire. · P0303 - Cylinder 3 Misfire. · P0304 - Cylinder 4 Misfire. · P2610 - PCM Internal Engine Off Timer Performance. · P1607 - PCM Internal Shutdown Timer Rationality. · U0402 - Implausible Data Received From TCM (ED6). · P0116 - Engine Coolant Temperature Sensor 1…

JEEP · 2016-05-20

Flash: 2.4L Powertrain Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following DTCs: 2015 KL Only · **P0335 - Crankshaft Position Sensor Circuit.** · P0456 - EVAP System Small Leak. · P0300 - Multiple Cylinder Misfire. · P0301 - Cylinder 1 Misfire. · P0302 - Cylinder 2 Misfire. · P0303 - Cylinder 3 Misfire. · P0304 - Cylinder 4 Misfire. · P2610 - PCM Internal Engine Off Timer Performance. · P1607 - PCM Internal Shutdown Timer Rationality. · U0402 - Implausible Data Received From TCM (ED6). · P0116 - Engine Coolant Temperature Sensor 1…

CHRYSLER, DODGE · 2016-05-18

Flash: 2.4L Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination or one or more of the following conditions. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: 2015 UF Vehicles with (Sales Codes ED6, ED8) · **P050D - Cold Start Rough Idle. · P0335 - Crankshaft Position Sensor Circuit. · P1607 - PCM Internal Shutdown Timer Rationality. · P0133 - O2 Sensor 1/1 Slow Response. · P0456 - Evap System Small Leak.** · P0480 - Cooling Fan 1 Control Circuit/Open. · U0402 - Implausible Data Received From TCM. · P2172 - High Airflow/Vacuum…

CHRYSLER, DODGE · 2016-05-18

Flash: 2.4L Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination or one or more of the following conditions. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: 2015 UF Vehicles with (Sales Codes ED6, ED8) · **P050D - Cold Start Rough Idle. · P0335 - Crankshaft Position Sensor Circuit. · P1607 - PCM Internal Shutdown Timer Rationality. · P0133 - O2 Sensor 1/1 Slow Response. · P0456 - Evap System Small Leak.** · P0480 - Cooling Fan 1 Control Circuit/Open. · U0402 - Implausible Data Received From TCM. · P2172 - High Airflow/Vacuum…

CHRYSLER, DODGE · 2016-05-18

Flash: 2.4L Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination or one or more of the following conditions. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: 2015 UF Vehicles with (Sales Codes ED6, ED8) · **P050D - Cold Start Rough Idle. · P0335 - Crankshaft Position Sensor Circuit. · P1607 - PCM Internal Shutdown Timer Rationality. · P0133 - O2 Sensor 1/1 Slow Response. · P0456 - Evap System Small Leak.** · P0480 - Cooling Fan 1 Control Circuit/Open. · U0402 - Implausible Data Received From TCM. · P2172 - High Airflow/Vacuum…

CHRYSLER · 2016-04-29

Flash: 2.4L Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: · **P0101 - Mass Air Flow Sensor "A" Circuit Performance. · P050D - Cold Start Rough Idle. · P0335 - Crankshaft Position Sensor Circuit. · P2610 - PCM Internal Engine Off Timer Performance. · P1607 - PCM Internal Shutdown Timer Rati · U0402 - Implausible Data Received From TCM. · U1424 - Implausible Engine Torque Signal Received. · P0456 - EVAP System Small Leak. · P0480 - Cooling Fan 1 Control Circuit/Open. In…

CHRYSLER · 2016-04-29

SYMPTOM/CONDITION: A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: · **P0101 - Mass Air Flow Sensor "A" Circuit Performance. · P050D - Cold Start Rough Idle. · P0335 - Crankshaft Position Sensor Circuit. · P2610 - PCM Internal Engine Off Timer Performance. · P1607 - PCM Internal Shutdown Timer Rationality. · P0133 - O2 Sensor 1/1 Slow Response.** NUMBER: 18-051-16 GROUP: Vehicle Performance DATE: April 29, 2016 · U0402 - Implausible Data Received From TCM. · U1424 - Implausible Engine Torque Signal Received. · P0456 - EVAP System Small Leak. · P0480 - Cooling Fan 1 Control Circuit/Open.

CHEVROLET · 2016-04-19

32340B ? Service Update Bulletin (Service Procedure Revised). An engine misfire condition could occur on these vehicles causing the check engine/service engine soon light to illuminate, a rough or high idle condition, and diagnostic trouble code (DTC) P0300 or P050D to set. A software update is available to correct this and also a condition where DTCs P040B, P041B, P1427 and P1429 may set incorrectly. Dealers are to reprogram the engine control module.

CHEVROLET · 2016-04-19

32340B – SERVICE UPDATE BULLETIN (SERVICE PROCEDURE REVISED). AN ENGINE MISFIRE CONDITION COULD OCCUR ON THESE VEHICLES CAUSING THE CHECK ENGINE/SERVICE ENGINE SOON LIGHT TO ILLUMINATE, A ROUGH OR HIGH IDLE CONDITION, AND DIAGNOSTIC TROUBLE CODE (DTC) P0300 OR P050D TO SET. A SOFTWARE UPDATE IS AVAILABLE TO CORRECT THIS AND ALSO A CONDITION WHERE DTCS P040B, P041B, P1427 AND P1429 MAY SET INCORRECTLY. DEALERS ARE TO REPROGRAM THE ENGINE CONTROL MODULE.