2005 Chevrolet Cobalt Technical Service Bulletins

646 technical service bulletins (TSBs) are on record for the 2005 Chevrolet Cobalt. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10033034Jan 1, 2010Engine cooling. Saturn chevrolet service campaign: see document search button for owner letter. Some 2004-07 saturn ion red line and 2005-07 chevrolet cobalt ss vehicles, equipped with 2.0l 4 cylinder (rpo lsj) engine, may have illumination of the malfunction indicator lamp (mal) and/or lack of engine power. This may be caused by failure of the catalytic converter.
• 10022958Aug 1, 2009Steering. Diagnostic tips for power steering inoperative/steering wheel hard to turn, power steering message displayed on dic, dtc's c0176, c0176, c0475, c0476, c0550, u2105, u2107 set. *nj updated 2/17/10. *pe updated 3/01/10.
• 10033184Jul 1, 2009Transmission and drivetrain. Chevrolet/pontiac/saturn: blocked shift, gear hop out 1st, 3rd, 5th gear or difficulty shifting. The shift lever on the manual transmissions roll pin can back out and contact the shift cover during a shift event. This can cause an incomplete, blocked shift or difficulty shifting the transmission.
• 10027804Nov 1, 2008Equipment, Electrical system. General motors corp: special coverage adjustment; analog onstar deactivation. *pe updated 2/17/09.
• 10026805Sep 1, 2008Equipment. Buick chevrolet gmc service campaign: see document search button for owner letter. Special coverage adjustment-analog onstar deactivation. Csc letter was received.
• 10026668Jun 1, 2008Latches, locks and linkages. Gmc: power door locks cycling or inoperative from the switches when driving.
• 10026586Jun 1, 2008Equipment. Buick cadillac chevrolet gmc hummer oldsmobile pontiac saab saturn service campaign: see document search button for owner letter. Special coverage adjustment-analog onstar deactivation. Fcc ruled in 2002 wireless carriers would no longer re required to support analog wireless network starting in 2008. *pe csc letter was received. Updated 12/1/08.
• 10020916Feb 1, 2008Electrical system. Repeated park lps fuse open. *kb (additional information) updated 4/1/08.
• 10022484Dec 31, 2007Engine cooling. Intermittent ses light due to dtc's p060e, p2135, and/or p2138. *kb updated 2/27/08.
• 10020881Dec 13, 2007Air bags. Air bag indicator light is on. *kb updated on 12/13/07.
• 10023214Sep 1, 2007Steering. Steering column rattle or knocking noise at low speeds (diagnosis and replace steering column, if necessary)
• 10017497Sep 1, 2007Steering. Ei05093 - clunk noise in steering system at slow speeds while turning and/or driving over bumps. *tt (replace intermediate shaft). Updated 10/05/07. *nj updated 11/02/07
• 10021453Apr 1, 2007Transmission and drivetrain. Mg3, m86 transaxle grinding/whining noise in 3rd or 4th gear, excessive engagement or disengagement effort while shifting into 3rd or 4th gear, will not shift into either 3rd or 4th gear. (replace complete output shaft assembly).
• 10021074Mar 1, 2007Other or unknown. Parts update - timing chain tensioner design change.
• 10020923Jan 30, 2007Engine cooling. Low oil pressure - inspect oil filter for damage. *kb updated 10/18/07.
• 10021121Jan 1, 2007Engine cooling. Lsj, l61, lk5, l52, ll8 engine - reduced engine power, mil/ses light, dtc p1516, p2135, p2138.
• 10020589Nov 27, 2006Steering. Steering column pop/rattle concerns.
• 10017364Nov 1, 2006Wheels. 18 inch accessory wheels available through gmspo.
• 10021237Oct 5, 2006Equipment, Transmission and drivetrain, Engine cooling, Latches, locks and…. Buck while driving, stall, ses light, flash door locks cycle, cd player skip, clock reset.
• 10020951Oct 1, 2006Steering. Information on inadvertent turning of key cylinder, loss of electrical system and no dtc's.
• 10020890Sep 1, 2006Steering. Steering column shudder, noise, vibration while making right hand turns at 5-15 mph.
• 10020735Sep 1, 2006Electrical system. Instrument panel cluster (ipc) backlighting inoperative during daylight hours.
• 10020218Aug 19, 2006Exterior lighting. Turn signals will not cancel intermittently.
• 10020054Jul 14, 2006Steering. Steering column restriction.
• 10020838Jun 1, 2006Engine cooling. Engine malfunction indicator lamp (mil)/service engine soon (ses) lamp illuminated with dtc p0171.
• 10019203Feb 17, 2006Vehicle speed control. Cruise control inoperative and/or malfunction indicator lamp on with diagnostic trouble code p0833 stored. The condition may not be able to be duplicated by the dealer yet the consumer may have a repeat concern.
• 10019186Feb 16, 2006Exterior lighting, Interior lighting. Ipc, interior lights and/or headlamps flicker. *ak fb2
• 10018915Jan 25, 2006Electrical system. Hesitation on acceleration after internal engine repairs - check injector harness orientation.
• 10018624Jan 9, 2006Fuel system. Fuel tank is slow to fill and/or dtc p0446 - inspect evap vent pipe. The ses lamp may be illuminated due to a p0466 dtc. *tt updated 08-15-07.
• 10018600Jan 7, 2006Engine cooling. No start after engine harness replacement (non-abs).
• 10018563Jan 6, 2006Suspension. Rear suspension squawk/squeak over bumps.
• 10018551Jan 6, 2006Electrical system. (retained accessory power) rap deactivates from drivers door only.
• 10018532Jan 5, 2006Engine cooling. Momentary sag on light to moderate accel when cold - valve deposits.
• 10018530Jan 5, 2006Electrical system. Incorrect mileage displayed after programming a new bcm. Various models including 2005 - 2006 pontiac pursuit (canada only).
• 10017396Nov 7, 2005Engine cooling. Check engine light, p0532, p0533, p2138, p1681, or a/c inoperative (update).
• 10018697Nov 1, 2005Visibility (wipers, defrost, mirrors). Left or right manual mirror control inoperative (replace plastic control tower. 2005 pontiac pursuit.
• 10018663Nov 1, 2005Equipment. Water leaking on front passenger side floor of vehicle, water blowing out of vents (seal heater core cover).
• 10017765Nov 1, 2005Body and structure. Interior door handle inoperative or clicking noise heard when opening door. *tt update.
• 10017512Nov 1, 2005Transmission and drivetrain. Transmission control module (tcm) shorted to battery voltage during diagnosis and/or service. *tt updated.
• 10017263Nov 1, 2005Visibility (wipers, defrost, mirrors). Sunroof switch bezel falls from the headliner.
• 10017261Nov 1, 2005Engine cooling. Service engine soon (ses) light due to a p0171 - inspect air intake and oil dipstick.
• 10017248Oct 29, 2005Fuel system, Other or unknown. High fuel pressure - possible fuel filter concern.
• 10017240Oct 29, 2005Brakes. Brake system warning light illuminates at times.
• 10017236Oct 29, 2005Engine cooling. Check engine light (mil) on. The engine may not crank over. Diagnostic trouble codes p0443, p0102, p0036, p0030, p0135, p0101 may be set.
• 10017222Oct 28, 2005Exterior lighting. Backlighting is inoperative during daylight conditions (headlight switch turned on manually).
• 10017219Oct 28, 2005Engine cooling. Tick noise and misfire due to broken valve springs.
• 10017210Oct 28, 2005Electrical system. Diagnostic trouble code p0420 may set on low mileage vehicles, or shortly after catalytic converter replacement.
• 10017206Oct 28, 2005Fuel system. Inaccurate and/or erratic fuel gauge operation.
• 10017199Oct 28, 2005Exterior lighting. Brake lights inoperative with key in the off position.
• 10017198Oct 28, 2005Engine cooling. Higher than expected oil consumption blue smoke on acceleration. To include 2005 oldsmobile alero.

← All problems reported for the 2005 Chevrolet Cobalt