U0402 · Manufacturer communications
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
CHRYSLER, DODGE
Reported code forms U0402
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…
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CHRYSLER, DODGE
Reported code forms U0402
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…
Read communication ↗
CHRYSLER
Reported code forms U0402
Flash: 3.6L 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…
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CHRYSLER
Reported code forms U0402
SYMPTOM/CONDITION: 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: •…
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CHRYSLER
Reported code forms U0402
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…
Read communication ↗
CHRYSLER
Reported code forms U0402
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…
Read communication ↗
JEEP
Reported code forms U0402
Flash: 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…
Read communication ↗
JEEP
Reported code forms U0402
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…
Read communication ↗
RAM
Reported code forms U0402
Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp…
Read communication ↗
JEEP
Reported code forms U0402
Flash: 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)…
Read communication ↗
JEEP
Reported code forms U0402
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…
Read communication ↗
JEEP
Reported code forms U0402
Flash: 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)…
Read communication ↗
JEEP
Reported code forms U0402
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…
Read communication ↗
FIAT
Reported code forms U0402
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…
Read communication ↗
CHRYSLER, DODGE
Reported code forms U0402
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…
Read communication ↗
JEEP
Reported code forms U0402
Flash: 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…
Read communication ↗
JEEP
Reported code forms U0402
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…
Read communication ↗
CHRYSLER
Reported code forms U0402
Flash: 3.6L 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…
Read communication ↗
CHRYSLER, DODGE
Reported code forms U0402
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…
Read communication ↗
CHRYSLER, DODGE
Reported code forms U0402
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…
Read communication ↗
CHRYSLER
Reported code forms U0402
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…
Read communication ↗
CHRYSLER
Reported code forms U0402
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…
Read communication ↗
JEEP
Reported code forms U0402
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…
Read communication ↗
JEEP
Reported code forms U0402
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…
Read communication ↗
FIAT
Reported code forms U0402
Flash: 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…
Read communication ↗
CHRYSLER, JEEP
Reported code forms U0402
Transmission Shift Quality C-Clutch Snap Ring This bulletin involves removing the transmission, disassembling, and replacing the C-Clutch snap ring. A small number of customers may experience less than desired shift…
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CHRYSLER, DODGE
Reported code forms U0402
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…
Read communication ↗
JEEP
Reported code forms U0402
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…
Read communication ↗
CHRYSLER, DODGE
Reported code forms U0402
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…
Read communication ↗
RAM
Reported code forms U0402
Flash: 2.4L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience the…
Read communication ↗