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Service bulletins for the 2008 Chevrolet Cobalt

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

957 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
PI0592I2024-02-02. Service bulletin. ELECTRICAL SYSTEM. This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).
PIT5074P2024-01-29. Service bulletin. EQUIPMENT. This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2. There are 5 terminated leads in a package part number is 13505346, which can be ordered through your normal General Motors Customer Care and Aftersales parts channel.
02-08-42-001J2024-01-19. Service bulletin. EXTERIOR LIGHTING. This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage.
PIT5319A2024-01-08. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; EQUIPMENT:ELECTRICAL:INFOTAINMENT. Bluetooth Stays Connected After RAP Is Canceled.
PIT53192024-01-08. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; EQUIPMENT:ELECTRICAL:INFOTAINMENT. Bluetooth Stays Connected After RAP Is Canceled.
Recalls2024-01-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Vehicle Recalls
PIT5099G2023-12-26. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
PIT5074H2023-12-26. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. J-35616-64B Terminal Test Probe / Replacement Terminal / Terminated Lead.
PIT5074G2023-12-26. Service bulletin. UNKNOWN OR OTHER; EQUIPMENT:ELECTRICAL. Terminal Test Probe And Replacement Terminal.
PIT4864F2023-12-26. Service bulletin. EQUIPMENT. Information On Requests To Add OnStar Bluetooth Option.
23-NA-2192023-12-21. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT. This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
14133D2023-12-18. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:IGNITION; ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. Replace Ignition Key
14133C2023-12-18. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER; ELECTRICAL SYSTEM:IGNITION. Replace Ignition Key
14133B2023-12-18. Service bulletin. ELECTRICAL SYSTEM:IGNITION; ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER; ELECTRICAL SYSTEM. Replace Ignition Key
14133A2023-12-18. Service bulletin. ELECTRICAL SYSTEM:IGNITION; ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER; ELECTRICAL SYSTEM. Replace Ignition Key
141332023-12-18. Service bulletin. ELECTRICAL SYSTEM:IGNITION; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. Replace Ignition Key
14115A2023-12-18. Service bulletin. POWER TRAIN; STEERING:AUTOMATED/ADAPTIVE STEERING:MOTOR/ACTUATOR; STEERING:ELECTRIC POWER ASSIST SYSTEM; STEERING. Electric Power Steering Assist
14113D2023-12-18. Service bulletin. ELECTRICAL SYSTEM:IGNITION:SWITCH; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:IGNITION:INTERLOCK/LOCKOUT. Replace Ignition Lock Cylinder and Ignition Key
14113B2023-12-18. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:IGNITION:INTERLOCK/LOCKOUT; ELECTRICAL SYSTEM:IGNITION:SWITCH. Replace Ignition Lock Cylinder and Ignition Key
14113A2023-12-18. Service bulletin. ELECTRICAL SYSTEM:IGNITION:INTERLOCK/LOCKOUT; ELECTRICAL SYSTEM:IGNITION:SWITCH; ELECTRICAL SYSTEM. Replace Ignition Lock Cylinder and Ignition Key
141132023-12-18. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:IGNITION; ELECTRICAL SYSTEM:IGNITION:SWITCH. Replace Ignition Lock Cylinder and Ignition Key
140922023-12-18. Service bulletin. ELECTRICAL SYSTEM:IGNITION:SWITCH; ELECTRICAL SYSTEM. Ignition Switch Replacement
146322023-12-18. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:IGNITION:SWITCH. Special Coverage Adjustment ? Unable to Remove Ignition Key
PIT5099A2023-12-11. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. A/C Blows Warm Or Poor Performance.
PIT5074H2023-12-11. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. J-35616-64B Terminal Test Probe / Replacement Terminal / Terminated Lead.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.