2008 Chevrolet HHRService bulletins
2008 Chevrolet HHR Technical Service Bulletins
938 technical service bulletins (TSBs) are on record for the 2008 Chevrolet HHR. 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.
- 10022806Jun 1, 2011Electrical system. Eps/str wheel control fuse (#19) open. *kb updated 10/04/07. *nj updated 8/7/09. *pe updated 8/1/11.
- 10038759Apr 1, 2011Electrical system. Gm: onstar is making incomplete calls without the driver knowing. When have a data connection.
- 10038510Mar 1, 2011Engine cooling. Gm: there may be noise coming from the cylinder head, because of low oil pressure which is caused by debris.
- 10038295Feb 1, 2011Other or unknown. Gm: information on fixing multiple situations right the first time.
- 10037417Nov 1, 2010Fuel system, Electrical system. Gm: malfunction light is on and there is a misfire. There may be three trouble codes and could be a result of wiring problems at the fuel injector.
- 10035444Oct 1, 2010Fuel system. Hhr:in rare cases the fuel gauge is naccurate or vehicle may run out of fuel at 1/8 tank. Vehicle may crank with no start. *pe updated 5/9/11.
- 10036444Aug 1, 2010Engine cooling. Chevrolet/pontiac/saturn/daewood/opel: low turbocharger boost pressure or possible dtc p0299. Technicians may find dtc p0299 present. May also find the turbo wastegate actuator rod nut missing. Most parts of the turbocharger are not serviceable.
- 10036544Jun 1, 2010Engine cooling. Chevrolet/pontiac/saturn/daewoo/opel: engine misfire/low compression. Technician should perform a compression test. Results may lead to cylinder with low compression (85-90psi). This may cause the misfire.
- 10025605Mar 1, 2010Engine cooling. Intermittentstall when coming to a stop or engine chuggles prior to a stop, hybrid dtc p1a6f. Vehicles equipped with 4t45e transmission including hybrid. *pe updated 11/15/10.
- 10032431Sep 1, 2009Electrical system. Chevrolet: engine power is reduced message and check engine lamp on with dtc p0841. The concern may be intermittent. Other dtcs that may set are p0532, p0522, p0452, p0335, p0106, p0101 and p0068. Three areas where wire chaffing can occur have been identified and confirmed.
- 10023224Aug 1, 2009Other or unknown. Front and rear carpet wet/blower motor inoperative (reseal body seams) *nj carpet wet, mildew odor when a/c is turned on. Updated 2/17/10.
- 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.
- 10032186Jul 1, 2009Transmission and drivetrain. Chevrolet: service update for inventory and customer vehicles charge air cooler inlet duct detachment - expires with base warranty.
- 10032886Jun 1, 2009Transmission and drivetrain. Saturn/pontiac/chevrolet: soft shifts, erratic shifts, dtc p1811. Vehicles with a hydramatic 4t45 transaxle may have soft shifts or shifts erratically. These conditions may appear intermittently or set a dtc p1811. During diagnosis, a low or high line pressure (actual versus desired) may be observed.
- 10032461Jun 1, 2009Engine cooling. Daewoo/opel/saturn/pontiac/chevrolet: turbocharger housing inlet flange cracks in partition wall.
- 10032335Jun 1, 2009Electrical system. Daewoo/saturn/opel/pontiac/chevrolet: instrument panel cluster (ipc) air bag indicator illuminated (install protective material). Upon performing a dtc check, the technician may find a b0012-02, b0012-oe or b0013-oe code stored in the supplemental inflatable restraints (sir) system. This condition may be caused by a short to ground in the yellow sir wiring harness. *pe updated 6/16/15.
- 10032558May 1, 2009Transmission and drivetrain. Chevrolet: difficult to shift or unable to select all gears. The transmission is difficult to shift and/or it cannot be shifted into all gears. This condition may be caused by a locator pin left in place that was meant to be removed at the assembly plant or a shift cable out of position. (cobalt ss/hhr ss).
- 10030747May 1, 2009Brakes. Chevrolet: after installation of the ohb brake kit per tsb 09-05-22-001a, a check engine light will be on and dtc p258b will be set. Following esi diagnostics may lead dealers to try reprogramming the ecm or ebcm and also replace the vacuum pump.
- 10030746May 1, 2009Electrical system. Chevrolet/opel/saturn/cadillac/pontiac: a low battery condition on any of the above listed vehicles could potentially cause the sir light to come. The sdm under low power situations could set codes b0083 and b0084.
- 10030112Apr 1, 2009Transmission and drivetrain. General motors: an automatic transmission concern of no movement, no reverse or slipping. These concerns may be due to an issue with the direct clutch.
- 10030104Apr 1, 2009Air bags. General motors: the sir light is illuminated. Dtc b0081 passenger presence system (pps) code stored (inspect pps system connectors).
- 10030093Apr 1, 2009Electrical system. General motors: the instrument gauges appear to be erratic/inaccurate or are inoperative. This condition may be intermittent and occur over one or multiple ignition cycles, eventually resetting itself.
- 10029965Feb 1, 2009Brakes. Chevrolet: hard brake pedal, extra effort needed to depress brake pedal on cold start up (add auxiliary vacuum pump).
- 10030004Nov 1, 2008Engine cooling. General motors: tech may encounter a vehicle with a low boost/power condition and/or dtc p0299 and or p0101 setting. This may be the result of a cracked or broken fitting at the turbocharger assembly.
- 10026004Jul 1, 2008Transmission and drivetrain. Gmc: 4t45-3 automatic transmission (rpo mn5/me7) - no reverse, binds in reverse, no movement, dtc p0756 (perform appropriate repair as outlined in bulletin). On some hybrid and non-hybrid vehicles.
- 10029007Jun 1, 2008Engine cooling. Chevrolet pontiac saturn service campaign: see document search button for owner letter. Engine oil pan drain plug thread insert loose or damaged; inspect/install new insert. May have an undersize engine oil pan drain plug thread insert.
- 10026606Jun 1, 2008Engine cooling. Chevrolet pontiac saturn service campaign: see document search button for owner letter. Engine oil pan drain plug thread insert loose or damaged-inspect/install new insert. Vehicles may have an undersize engine oil pan drain plug thread insert that will be installed too far into the oil pan hole. *pe csc letter was received. Updated 12/1/08.
- 10024788Apr 1, 2008Electrical system. Intermittent check engine light on, engine power reduced message displayed in dic, dtc p2135 set (inspect engine wiring harness for chafing and recrimp ecm terminals, if necessary). *nj update 8/7/2008.
- 10023997Apr 1, 2008Engine cooling. Intermittent ses light due to dtc's p060e, p2135, and/or p2138. *nj updated 5/12/08.
- 10024763Mar 1, 2008Brakes. Pedal noise/buzz, extra effort needed to depress brake pedal after vehicle has not been driven for extended period of time (reprogram electronic brake control module (ebcm)).
- 10024261Feb 1, 2008Transmission and drivetrain. Ei07280 - key can not be removed from ignition with transaxle selector in park, shifter can not be moved from park position (diagnose using si).
- 10032856Jan 1, 2008Electrical system, Air bags. Chevrolet: air bag readiness light/supplemental inflatable restraint (sir) light on, diagnostic trouble code(s) (dtc) b0057, b0058, b0059, b0064, b0065, b0066 (inspect/repair wiring connector).
- 10024426Jan 1, 2008Air bags. Air bag readiness light/supplemental inflatable restraint (sir) light on, diagnostic trouble code(s) (dtc) b0057, b0058, b0059, b0064, b0065, b0066 (inspect/repair wiring connector).
- 10020881Dec 13, 2007Air bags. Air bag indicator light is on. *kb updated on 12/13/07.
- 10022361Dec 1, 2007Engine cooling, Electrical system. Long crank, engine will not start. *kb updated 1/30/08.
- 10023219Sep 1, 2007Electrical system. Intermittent no start/long crank, start then stall, check engine light on, intermittently functioning or inoperative electrical systems, dtc p0442 or p0449 set (inspect ubec and replace connectors as necessary) *nj updated 2/17/10.
- 10020923Jan 30, 2007Engine cooling. Low oil pressure - inspect oil filter for damage. *kb updated 10/18/07.
← All problems reported for the 2008 Chevrolet HHR
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.