2003 Isuzu Ascender Technical Service Bulletins

130 technical service bulletins (TSBs) are on record for the 2003 Isuzu Ascender. 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.

• 10023643Dec 1, 2007Transmission and drivetrain. Erratic speedometer operation or speedometer needle shakes above 60 mph.
• 10023159Sep 1, 2007Latches, locks and linkages. Rear liftgate glass may not lock when using remote keyless entry (rke) key fob transmitter/door lock switch, liftgate hatch or liftgate glass may lock/unlock when rear liftgate glass button depressed.
• 10023157Sep 1, 2007Equipment. Center high-mount stop lamp (chmsl) applique loose.
• 10023134Sep 1, 2007Engine cooling. Information on new in-vehicle service procedure for removal/installation of ll8 cylinder head.
• 10023132Sep 1, 2007Electrical system. Service 4wd light illuminated, dtc c0374 set.
• 10022543Jul 1, 2007Brakes. Abs light on, dtc's c0265, c0201, u1041 set and / or loss of communication with brake module.
• 10022634Jun 1, 2007Transmission and drivetrain. Information on 2-3 up-shift or 3-2 downshift clunk noise is heard.
• 10021356Jun 1, 2007Fuel system. Various driveability symptoms due to clogged fuel injectors, mil dtc's p0171, p0172, p0174, p0300, p1174, and p1175. *kb updated 08-03-07.
• 10021585Apr 1, 2007Electrical system. Prndl display reduced visibility for approximately one minute.
• 10021512Apr 1, 2007Steering. Release of steering gear stub shaft bearing kit for service.
• 10021510Apr 1, 2007Body and structure. Doors are hard to close.
• 10021290Jan 1, 2007Engine cooling. 4.2l ll8 engine - flashing and/or mil light, rough idle, misfires dtc's p0300, p0301, p0302, p0303, p0304, p0305, p0306.
• 10021024Dec 1, 2006Electrical system. Noise coming from instrument panel cluster.
• 10021012Oct 1, 2006Transmission and drivetrain. Diagnostic trouble code (dtc) p0757 set, malfunction indicator lamp (mil) illuminated, poor performance of transmission, transmission slipping.
• 10021008Oct 1, 2006Visibility (wipers, defrost, mirrors). Distortion in outer surface of vehicle glass.
• 10020707Oct 1, 2006Engine cooling. Loss of blower motor speeds except for low speed or inoperative. Manual temp control, or heater only.
• 10020536Oct 1, 2006Suspension. Revised shock module replacement (service manual revision).
• 10021006Sep 1, 2006Tires. Tire characteristics of original equipment tires.
• 10020522Sep 1, 2006Body and structure. Rear liftgate binds, improper fit. This may be caused by broken welds or cracks that formed around the inner two welds.
• 10020343Jul 1, 2006Transmission and drivetrain. Information regarding automatic transmission shift lock control function.
• 10020177Jun 1, 2006Electrical system. Proper connection information to avoid blown 125 amp fuse and various interior electrical system condition when jump starting vehicle.
• 10020161May 1, 2006Electrical system. Diagnostic information to clarify effect of secondary air injection system on headlamp flicker.
• 10019124May 1, 2006Electrical system. Malfunction indicator lamp (mil) on check engine light on, dtc p0526 set.
• 10015906May 1, 2006Electrical system. Diagnostic information on headlamps flicker or momentarily dim while driving. *tt diagnostic information to clarify effect of secondary air injection system on headlamp flicker.
• 10019957Apr 1, 2006Engine cooling. Operating characteristics of the electro-viscous (ev) fan clutch and diagnostic tips for cooling fan noise, delayed transmission shifts and/or engine revving too high.
• 10019956Apr 1, 2006Electrical system. Intermittent no crank, no start.
• 10016406Apr 1, 2006Transmission and drivetrain. Service 4wd light illuminated, diagnostic trouble code (dtc) c0374 set.
• 10019792Mar 1, 2006Transmission and drivetrain. Diagnostic tips for automatic transmission dtc p0756.
• 10019627Mar 1, 2006Body and structure. Door latch freezing in cold temperatures.
• 10019115Jan 1, 2006Engine cooling. Engine oil leak at rear cover assembly area.
• 10019158Dec 1, 2005Other or unknown. Eliminating unwanted odors in vehicles.
• 10019157Dec 1, 2005Seat belts. Avoiding front seat belt retractor jamming when storing seat belt.
• 10018842Dec 1, 2005Transmission and drivetrain. Diagnostic trouble code (dtc) p0757 set, malfunction indicator lamp (mil) illuminated, poor performance of transmission, transmission slipping.
• 10018686Nov 1, 2005Transmission and drivetrain. Malfunction indicator lamp (mil) on, transmission stuck in second or third gear, instrument cluster inoperative (verify and repair source of voltage loss in transmission solenoid power supply circuit.
• 10018682Nov 1, 2005Transmission and drivetrain. 4l60 automatic transmission diagnostic information on harsh 1-2 upshift.
• 10018649Nov 1, 2005Transmission and drivetrain. Malfunction indicator lamp (mil) on, transmission stuck in second or third gear, instrument cluster inoperative (verify and repair source of voltage loss in transmission solenoid power supply circuit).
• 10018714Oct 1, 2005Engine cooling. I/m readiness as part oe emission inspection and maintenance program for obd ii vehicles. To include isuzu I-280 and I-350 2003 - 2005.
• 10018590Oct 1, 2005Engine cooling. Information on use of kent moore bolt extractor tool kit en-47702 for removing cylinder head or main bearing cap bolts on inline engines.
• 10014789Sep 1, 2005Transmission and drivetrain. Diagnosis of crack or broken transmission case.
• 10017621Aug 1, 2005Transmission and drivetrain. Engagement time of electronically controlled 4l60-e transmissions.
• 10016590Aug 1, 2005Transmission and drivetrain. 1-2, 2-3, 3-4 shift and torque converter clutch (tcc) characteristics during cold weather operation on 4l60-e transmissions. To include 2006 isuzu ascender.
• 10016589Aug 1, 2005Transmission and drivetrain. Squeak, squeal or whistle noise from front.
• 10016405Aug 1, 2005Engine cooling. Revised inspection/maintenance (I/m) evaporative emission (evap) system set procedure (service manual revision).
• 10016403Aug 1, 2005Engine cooling. Underhood tick noise at idle.
• 10016148Jul 1, 2005Wheels. Information on tire radial force variation. To include 2006 isuzu ascender.
• 10016147Jul 1, 2005Wheels. Cold tire characteristics of the manufacturer gm original equipment tires.
• 10016146Jul 1, 2005Equipment. Intermittent slow to cool hvac performance concerns in high ambient temperatures and/or high humidity conditions after start up, especially at low engine speeds.
• 10016142Jul 1, 2005Engine cooling. Oil leak under extreme cold temperatures.
• 10015930Jul 1, 2005Brakes. Revised front brake caliper bracket mounting bolt fastener tightening specification (service manual revision).
• 10015905Jul 1, 2005Brakes. Revised rear brake caliper bracket mounting bolt fastener specification (service manual revision).

← All problems reported for the 2003 Isuzu Ascender