2003 Isuzu Ascender technical service bulletins
173 technical service bulletins and manufacturer communications cover the 2003 Isuzu Ascender.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- This bulletin outlines the procedures for using the Alpine Exchange Program (the "Exchange Program"). The...
- Isuzu Commercial Truck of America, Inc. (ICTA) is providing the following procedural recommendations to...
- The following is a list of the Isuzu-recommended Threebond product part numbers identified in the various...
- The Isuzu Commercial Truck of America (ICTA) Service Technical Assistance Center (TAC) provides diagnostic...
- This service bulletin provides service information on new torque specification and installation procedure...
- This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake...
- Engine and engine cooling
- Engine and engine cooling
- Engine and engine cooling: exhaust system: emission control
- Equipment: electrical: navigational system(global positioning system)
- Equipment
- Electrical system: instrument cluster/panel
- Equipment: other: owners/service/other manual
- This preliminary information communication provides information to the technician about vehicles that have...
- This preliminary information communication provides information to the technician about vehicles that have...
- Some 2003-2004 model year isuzu ascender vehicles contain a fuel tank inlet check valve (ICV) that could...
- Equipment: electrical
- This preliminary information communication provides information to the technician about finding needle...
- Engine and engine cooling: exhaust system: emission control: catalytic convertor
- Suspension
- This informational bulletin provides dealership personnel with information on flexible fuel vehicles...
- Electrical system
- Equipment: electrical
- Wheels
- Equipment: electrical
- Equipment: electrical
- Engine and engine cooling
- Equipment: electrical: radio/tape deck/cd etc.
- Engine and engine cooling
- Equipment
- Equipment: electrical: radio/tape deck/cd etc.
- This informational bulletin provides the technician with information on what E85 fuel may due to a non E85...
- Isuzu: see document search button for the owner letter
- Electrical system
- Engine and engine cooling
- Service brakes
- Electrical system
- Erratic speedometer operation or speedometer needle shakes above 60 mph
- DTC C0327 with or without additional dtc's setting
- ABS, red brake, svc and 4WD light on, HVAC blower inoperative
- Service 4WD light illuminated, DTC C0374 set
- Information on new in-vehicle service procedure for removal/installation of LL8 cylinder head
- Center high-mount stop lamp (CHMSL) applique loose
- Rear liftgate glass may not lock when using remote keyless entry (RKE) key fob transmitter/door lock...
- ABS light on, dtc's C0265, C0201, U1041 set and / or loss of communication with brake module
- Various driveability symptoms due to clogged fuel injectors, MIL dtc's P0171, P0172, P0174, P0300, P1174,...
- Information on 2-3 up-shift or 3-2 downshift clunk noise is heard
- Doors are hard to close
- Release of steering gear stub shaft bearing kit for service
- Prndl display reduced visibility for approximately one minute
- 4.2L LL8 engine - flashing and/or MIL light, rough idle, misfires dtc's P0300, P0301, P0302, P0303, P0304,...
- Noise coming from instrument panel cluster
- Revised shock module replacement (service manual revision)
- Loss of blower motor speeds except for low speed or inoperative
- Distortion in outer surface of vehicle glass
- Diagnostic trouble code (DTC) P0757 set, malfunction indicator lamp (MIL) illuminated, poor performance of...
- Rear liftgate binds, improper fit
- Tire characteristics of original equipment tires
- Inoperative 4WD/AWD lamp and system
- Information on 2-3 up-shift or 3-2 downshift clunk sound
- Information regarding automatic transmission shift lock control function
- Proper connection information to avoid blown 125 amp fuse and various interior electrical system condition...
- Diagnostic information on headlamps flicker or momentarily dim while driving
- Malfunction indicator lamp (MIL) on check engine light on, DTC P0526 set
- Diagnostic information to clarify effect of secondary air injection system on headlamp flicker
- Service 4WD light illuminated, diagnostic trouble code (DTC) C0374 set
- Intermittent no crank, no start
- Operating characteristics of the electro-viscous (EV) fan clutch and diagnostic tips for cooling fan...
- Door latch freezing in cold temperatures
- Diagnostic tips for automatic transmission DTC P0756
- Diagnostic information on diagnostic trouble code P0894 and P1870
- Engine oil leak at rear cover assembly area
- Diagnostic tips for diagnostic trouble code (DTC) P0756 2-3 shift valve performance
- Diagnostic trouble code (DTC) P0757 set, malfunction indicator lamp (MIL) illuminated, poor performance of...
- Avoiding front seat belt retractor jamming when storing seat belt
- Eliminating unwanted odors in vehicles
- Malfunction indicator lamp (MIL) on, transmission stuck in second or third gear, instrument cluster...
- 4L60 automatic transmission diagnostic information on harsh 1-2 upshift
- Malfunction indicator lamp (MIL) on, transmission stuck in second or third gear, instrument cluster...
- Information on use of kent moore bolt extractor tool kit EN-47702 for removing cylinder head or main...
- I/m readiness as part oe emission inspection and maintenance program for OBD II vehicles
- Diagnosis of crack or broken transmission case
- Underhood tick noise at idle
- Revised inspection/maintenance (i/m) evaporative emission (EVAP) system set procedure (service manual...
- Squeak, squeal or whistle noise from front
- 1-2, 2-3, 3-4 shift and torque converter clutch (TCC) characteristics during cold weather operation on...
- Engagement time of electronically controlled 4L60-E transmissions
- Revised rear brake caliper bracket mounting bolt fastener specification (service manual revision)
- Revised front brake caliper bracket mounting bolt fastener tightening specification (service manual revision)
- Oil leak under extreme cold temperatures
- Intermittent slow to cool HVAC performance concerns in high ambient temperatures and/or high humidity...
- Cold tire characteristics of the manufacturer gm original equipment tires
- Information on tire radial force variation
- Rattle, clunk, pop, snap noise from front and/or rear suspension while driving over rough, uneven, wash...
- ABS light on, dtcs C0265, C0201, U1041 set and/or loss of communication with brake module
- Guidelines for replacement of transfer case control module (TCCM)
- Liftgate or liftgate glass binds, does not open completely, chmsl hits roof
- Service engine soon light on diagnostic trouble code P0483
- Reconnection of rear window defroster contact or tab
- Revised inspection maintenance evaporative emission system set procedure
- Front door a-pillar water intrusion
- Proper air bag system diagnosis and service
- New spark plugs and gapping
- Perceived fuel economy and driver information center setting
- Shift stabilization feature for hydramatic 4L60E transmission
- Distortiopn in outer surface of vehicle glass
- Automatic dual zone HVAC battery draw
- Error codes on radio display their cause and corrective action
- Compact disc player skipping inoperative sluggish and or long search times
- Onstar system inoperative onstar system status light is red radio locked in phone mode or DTC B1000
- Revised inspection/maintenance (i/m) evaporative emission (EVAP) system set procedure
- Exterior lamp condensation and replacement guidelines
- Service engine soon light on
- Various interior electrical concerns ip gauges lighting inoperative HVAC controls inoperative blower motor...
- Automatic transmission shift lock control function
- Intermittent a/c performance concerns in high ambient temperatures and or high humidity conditions...
- Door hard to close
- The center high-mount stop lamp (CHMSL) applique is loose on the lift-gate glass
- Steering system moan, groan, shudder and/or vibration type noise during low speed turning maneuvers
- Revised steering wheel replacement procedure
- Delayed engagement of front wheels during a slip condition on models equipped with new venture gear nvg...
- Malfunction indicator lamp on, transmission stuck in third gear, instrument cluster inoperative
- Vehicle is difficult to fill with fuel or filling station pump shuts off before tank is full or fuel spits...
- Diagnostic information on harsh 1-2 upshift
- Revised diagnostic trouble code (DTC) P0336 (engine control section of the service manual)
- Diagnostic trouble code P0757 set, service engine soon illuminated, poor performance of transmission,...
- Release of steering gear stub shaft bearing kit for service
- Liftgate glass unlatches on rough/bumpy road surfaces
- Poor heater performance 2ND and 3RD row seats
- Automatic transmission shift, engine driveability concerns or service engine soon (SES) light on as a...
- Service engine soon/check engine light illuminated, misfire or roughness, diagnostic trouble code P0300 set
- Revised rear brake caliper bracket mounting bolt fastener specification
- Utilizing tech 2 to retrieve part number for radios, compact disc (CD) changers and instrument panel...
- Low voltage display on (IP) instrument panel gauge, lights dim at stop lights, battery discharged, no...
- Rear license plate pocket gasket loose or out of position
- Shudder, rocking motion, binding, feels like vehicle is stuck in 4WD (crow hop) when turning at low speeds
- No start or battery drain condition, after ignition switch replacement
- Revised rear brake caliper bracket mounting bolt fastener specification
- Revised diagnostic trouble code P0336
- J44551 air conditioner suction screen kit repair recommendations and procedures after compression failures
- Rear heater & air conditioning (a/c) pipe replacement/repair
- Replacement of mirror actuator
- Revised diagnostic trouble code (DTC) P2135 (service manual revision)
- Revised mode actuator replacement procedure (service manual revision)
- Revised steering wheel replacement procedure (service manual revision)
- Rattle sound from the front hood of the vehicle
- Rattle sound coming from under the vehicle, reposition transmission oil cooler lines
- Intermittent hesitation, stumble or idle stall after soak, harsh 1-2 shift, slipping 1-2 shift followed by...
- Multiple driveability symptoms due to clogged fuel injectors
- Certain HVAC control head modules are not reprogrammable
- Revised mode actuator replacement procedure
- Remote keyless entry inoperative
- Service 4WD light on, 4WD inoperative, diagnostic trouble codes (DTC) C0300 and/or C0305
- Revised diagnostic trouble code (DTC) P1125 (service manual revision)
- Trailer weight and gcwr information
- Certain vehicles fail to conform to federal motor vehicle safety standard 225 child restraint anchorage...
- A/c inoperative/intermittent, a/c blows warm air
- Diagnosing poor air conditioner performance, air conditioner stops blowing cold, air conditioner cycles on...
- Remote keyless entry operational characteristics
- Mechanical override could allow the ignition key to be removed with the shift lever in a position other...
- Squeak noise coming from the steering column while turning the steering wheel
- Door hard to close
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