2004 Isuzu Ascender Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2004 Isuzu Ascender
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2004 Isuzu Ascender ProblemsFuel Level Sensor May Fail
The fuel level sensor may fail resulting in erratic reading of the fuel gauge. Sensor replacement is generally required to correct this concern.
The transmission may develop a harsh shift condition with the Check Engine Light on and fault code P0717 stored. This is commonly cased by a failed input speed sensor (ISS), located inside the transmission. The wiring at the sensor may be found damaged. If so, the sharp edges near with ISS wiring should be filed smooth to protect the new speed sensor wiring from damage.
The horn may not function at times due to a faulty ground circuit in the steering column. Our technicians tell us that adding a ground strap between the upper and lower steering column mounting points will commonly correct this issue.
2004 Isuzu Ascender QuestionsI have a 2004 Isuzu Ascender, 4.2L. How do I fix error code B0012? (1 answer)
I have a 2004 Isuzu Ascender, 4.2L. How do I fix error code B0012?
Hello, how can I resolve an error code “B0001” for a 2004 Isuzu Ascender with a 4.2L engine? Thank you!
The gear shift is stuck in park. Which fuse controls the shifter
2004 Isuzu Ascender RecallsTurn Signals May Operate Like Hazard Flashers
The turn signals may operate like hazard flashers when intending to signal for a turn. The driver may not be able to clearly signal their intentions, increasing the risk of a crash. Dealers will replace the suspect flasher modules with a new flasher designed with sealed relays for better durability. The recall began August 4, 2005. The GM recall number is 05044.