2003 Isuzu Ascender problems, complaints & recalls
Most-reported problem areas: Exterior Lighting:headlights (5) · Electrical System (4) · Service Brakes, Hydraulic:antilock/Traction Control/Electronic Limited Slip (2)
🧭 Reliability snapshot
Compared against other Isuzu Ascender model years — complaint volume vs the model's median year, recalls and severity. How we score →
🛣️ Complaints by mileage
25 NHTSA complaints that reported an odometer reading.
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (173)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Unknown Or Other 2023-05-08 · IB13-R-001G · Service Bulletin/Repair Instructions
this bulletin outlines the procedures for using the alpine exchange program (the "exchange program"). the exchange program must be used when any alpine radio or other component covered by this bulletin is repaired under warranty and may also be used for radio and component repairs not covered under
Equipment 2022-08-30 · WB13-X-001B · Service Bulletin/Repair Instructions
isuzu commercial truck of america, inc. (icta) is providing the following procedural recommendations to improve dealer efficiency when submitting parts warranty claims. we strongly recommend dealers follow these procedures in order to avoid delays in parts warranty claim payments and/or claim charg
Equipment:other:owners/Service/Other Manual 2022-08-02 · WB13-X-001A · Service Bulletin/Repair Instructions
isuzu commercial truck of america, inc. (icta) is providing the following procedural recommendations to improve dealer efficiency when submitting parts warranty claims. we strongly recommend dealers follow these procedures in order to avoid delays in parts warranty claim payments and/or claim charg
Equipment Adaptive/Mobility 2022-07-20 · IB09-X-004C · Service Bulletin/Repair Instructions
the isuzu commercial truck of america (icta) service technical assistance center (tac) provides diagnostic support to isuzu dealer technicians repairing isuzu vehicles in and out of vehicle warranty. a tac case number will be issued solely for information tracking purposes and future contact refere
Equipment 2022-07-20 · IB09-X-002B · Service Bulletin/Repair Instructions
the following is a list of the isuzu-recommended threebond product part numbers identified in the various isuzu workshop manuals and bulletins. if a threebond product is unavailable, we recommend that you utilize the chart below to find equivalent of similar products (when available) from loctite a
Engine And Engine Cooling:engine:oil/Lubrication:filter/Screen 2022-01-11 · 22NA009 · Service Bulletin/Repair Instructions
this service bulletin provides service information on new torque specification and installation procedure for acdelco spin-on oil filters.
Showing the 6 most recent of 173 bulletins. Search all of them free at nhtsa.gov.
What owners report
2013-11-05 · Service Brakes · 102,000 mi“tl* the contact owns a 2003 isuzu ascender. the contact stated that upon inspection, it was found that the brake line was perforated due to rust. the vehicle was taken to a private mechanic where the failure was confirmed. the vehicle was being repaired. the manufacturer was contacted and informed the contact that the vehicle was not included in th…”
2010-09-06 · Electrical System · 76,000 mi“service bulletin or recall 2003 isuzu ascender. problem key stuck in the ignition can not remove seems to be normal problem for this make and model . l have been reading through forum complaints on the internet. i am curious if there has been a recall and if not why not. car could be car jack or stolen by not able to remove the key from the igni…”
2009-11-11 · Steering · 80,000 mi“power steering lines from the pump (high pressure and return lines) are corroding and now leaking. *tr…”
2009-09-24 · Engine And Engine Cooling“tl* the contact owns a 2003 isuzu ascender. he stated that intermittently while driving 50 mph the "ses" and "check engine" warning light illuminated on the instrument panel, then the vehicle stalled. as a consequence, the risk for a vehicle crash was increased. the vehicle was towed to a dealer and repaired ten times; however, the repairs have n…”
2009-09-20 · Tires:temporary/Emergency Spare Tire“while trying to release the full-sized spare tire, the cable holding it up broke causing the tire to unexpectedly fall. *tr…”
2009-09-20 · Exterior Lighting“heater/ac fan kept going out. was told it was relay switch. after several replacements, was told it was a fault in the ignition. ignition was replaced. fan now works. now headlights go out intermittently. tech's can't figure out why. *tr…”
2009-09-09 · Electrical System · 43,000 mi“when you go to put gear selector into park the ignition key gets stuck temporarily on my isuzu ascender 2003 . sometimes i have to wait 1 min or sometimes 10 min. to get the key out .if you listen real close you can here a electronic click .this just started about 2 months ago. i am worried about leaving the vehicle with the key in the ignition. it…”
2008-11-09 · Fuel System, Gasoline · 55,371 mi“smell of gasoline and dripping underneath rear beneath fuel tank (driver's side), when starting. problem was found to be the fuel pump module at the line :output side of pump. replaced fuel pump module and ring. parts and pics available. *tr…”
2008-08-17 · Latches/Locks/Linkages · 50,000 mi“rear passenger doors will not latch close. removed and replaced both rusty latches. *tr…”
2008-08-17 · Fuel System, Gasoline · 50,000 mi“gas odor and gasoline dripping beneath fuel tank when parked. *tr…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.