2003 Isuzu Ascender Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2003 Isuzu Ascender

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2003 Isuzu Ascender Problems

Harsh transmission shifting due to failed input speed sensor

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 work at times

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.

Engine will not crank due to blown fuse

A no crank condition may occur and the IGN E fuse is blown. If this occurs our technicians recommended 3 places to inspect for wiring issues: Under the sill place at the drivers side rear door opening, along the steering column, and near the brake pedal bracket. Damaged wires will require repair and should be repositioned and protected from further damage.

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2003 Isuzu Ascender Recalls

Recall 05V494000
CERTAIN SPORT UTILITY VEHICLES HAVE A REAR SIDE CLOSURE LATCH THAT MAY NOT LATCH OR UNLATCH DUE TO CORROSION CAUSED BY ROAD SPLASH, SUCH AS WATER AND ROAD SALT. THESE VEHICLES WERE ORIGINALLY SOLD IN OR CURRENTLY REGISTERED IN THE FOLLOWING STATES: CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA...
Turn 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.

Windshield Wipers May Not Function Properly

The windshield wipers may not turn on, turn off while in operation, or may not turn off. The windshield washer pump may operate continuously as well. Water in the wiper modules can cause a short circuit or can corrode the components in the module. Depending on the condition, this could cause reduced visibility, which could result in a crash. Dealers will replace the windshield wiper system assembly. The recall began on July 15, 2004.

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