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2003 Isuzu Ascender Problems

Find the most common issues based on 2003 Isuzu Ascender owner complaints.
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Most Common 2003 Isuzu Ascender Problems

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 tran...
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 poi...
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 open...
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0 Known 2003 Isuzu Ascender Brakes Problems

2 Known 2003 Isuzu Ascender Drive Train Problems

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 tran...
The 4WD warning message may be displayed with a code C0327. The transfer case position sensor is commonly at fault and will require replacement.

3 Known 2003 Isuzu Ascender Electrical & Lights Problems

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 poi...
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 open...
The ignition switch may fail resulting in a no start condition. Replacement of the failed switch is necessary to correct this condition.

1 Known 2003 Isuzu Ascender Engine Problem

The engine cooling fan may fail resulting in illumination of the Check Engine Light and a possible overheating condition.

3 Known 2003 Isuzu Ascender Exhaust & Emissions Problems

The Check Engine Light may illuminate with codes P0171 and P0172 stored. Our technicians tell us reprogramming the powertrain control module (PCM) and replacing the fuel pump may be necessary to co...
The Check Engine Light may illuminate with a code P0606 stored. Our technicians tell us updating the powertrain control module (PCM) software will generally correct this concern.
One or both catalytic converters may fail resulting in illumination of the Check Engine Light. Replacement of the failed catalytic converter will be necessary to correct this condition.

0 Known 2003 Isuzu Ascender Heating & Air Conditioning Problems

0 Known 2003 Isuzu Ascender Maintenance Problems

0 Known 2003 Isuzu Ascender Miscellaneous Problems

0 Known 2003 Isuzu Ascender Suspension & Steering Problems

9
Known 2003 Isuzu Ascender Problems & Complaints

The Check Engine Light may illuminate with a code P0606 stored. Our technicians tell us updating the powertrain control module (PCM) software will generally correct this concern.
The Check Engine Light may illuminate with codes P0171 and P0172 stored. Our technicians tell us reprogramming the powertrain control module (PCM) and replacing the fuel pump may be necessary to co...
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 tran...
The engine cooling fan may fail resulting in illumination of the Check Engine Light and a possible overheating condition.
One or both catalytic converters may fail resulting in illumination of the Check Engine Light. Replacement of the failed catalytic converter will be necessary to correct this condition.
The ignition switch may fail resulting in a no start condition. Replacement of the failed switch is necessary to correct this condition.
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 open...
The 4WD warning message may be displayed with a code C0327. The transfer case position sensor is commonly at fault and will require replacement.
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 poi...
Get a Repair Estimate
Guaranteed by certified locations nationwide. Learn more
RepairPal estimates are guaranteed at over 1,700 quality certified locations nationwide. Learn more
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