2003 Jeep Wrangler Electrical system Problems
- Complaints
- 9about this part
- Share
- 9%of 98 total for the year
- Median mileage
- 34,212miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 9 complaints about the electrical system of the 2003 Jeep Wrangler, 9% of the 98 complaints for this model year. Where a mileage was given, the median is 34,212 miles. 2 a fire, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“About 5 years ago I took my Jeep in because when I hit bumps my radio would go off and on, when I would shake the ignition keys the radio goes on and off. Took it to the shop once they said they fixed it, did it again and I took it a second time, they charge me for new ignition switch and said my keys were to heavy causing wear tear. A few days later it was happening again and I gave up with my dealer in chicago 60660. …”
NHTSA complaint #10593306, filed 2014-05, 95,000 miles“There is no low, med or high fan settings on my heater fan. Replaced heater resistor, and wiring harness due to melted harness. Still no heater fan. So as the local Jeep dealership parts department had advised that there was an on going issue the heater fan switch. Replaced the switch, fan worked for about 2 hours during my mail route... After the over whelming smell of burning wires coming from inside the dash the fan quit working. So I continued to freeze the rest of my route and hoping that the Jeep was not going to catch fire. …”
NHTSA complaint #10658845, filed 2014-11, 141,255 miles“I have had the vehicle for 5 months. Appr 4 weeks ago my automatic shifter was stuck in park. After a total of 4 days at the dealership they replaced the entire shifter assembly. 2 weeks later the vehicle died on the side of the road stranding my family 130 miles from home. It was decided by the dealership that there was a blown fuse caused by an electrical short of some kind. After an entire week at the dealership they replaced the main computer and some misc. Wiring (all warranty work). The day after I got the vehicle back it died again, this time stranding my family 90 miles from home. …”
NHTSA complaint #10098702, filed 2004-11, 26,900 miles“2003 Jeep Wrangler tj, the contact points for the 3rd brake light are open to the cargo compartment. Had a hockey stick blade (made of fiberglass) touch these contacts and catch the stick and the carpet on fire while driving. Noticed burning smell when sitting at a stop light, thought it was from another vehicle, pulled away from intersection, looked in back and there was a fire inside the right rear corner.”
NHTSA complaint #10206824, filed 2007-10, 64,270 miles“According to internal sales brochures and advertisements the 2003 Jeep Wrangler rubicon is supposed to be the most capable off road Jeep ever. My Jeep has been nothing but problems, which consists of 2 broken axles, faulty brakes, faulty parking brake, faulty u-joint clips, faulty wheel bearing. After paying the dealer to replace parts that should have been covered under warranty, then realizing that they failed to replace another failed part, called to ask about a workaround until the needed part came in. The advice given was to remove the broken axle shaft and drive without it. …”
NHTSA complaint #10041471, filed 2003-10, 6,200 milesRelated service bulletins
- 10229256Jul 22, 2020KEY, Master If replacing the key/FOBIK on a WJ, KJ, TJ, or PT Cruiser, use the "AC" NIC level part number. The "AB" NIC level will not program to these platforms. For all other…
- 10221686Jul 22, 2020KEY, Master If replacing the key/FOBIK on a WJ, KJ, TJ, or PT Cruiser, use the "AC" NIC level part number. The "AB" NIC level will not program to these platforms. For all other…
- 10223525Jun 1, 2020Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes P0407 ? EGR Sensor B Circuit Low, or P0408 ? EGR Sensor B Circuit High Set
- 10175735Apr 22, 2020Charging System, Battery Diagnostic Tools and Warranty This information only bulletin discusses using the correct test equipment for testing batteries and charging systems, and…
- 10013708Mar 22, 2005Mil (malfunction indicator lamp) illumination for dtc's (diagnostic trouble codes) p0750, p0755, p0760, p0765, p0846, p0871 or p0841. 2004-2005 jeep cherokee and 2005 chrysler…
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2026 | 3 | 25% |
| 2025 | 39 | 53% |
| 2024 | 422 | 56% |
| 2023 | 198 | 53% |
| 2022 | 173 | 42% |
| 2021 | 308 | 32% |
| 2020 | 183 | 30% |
| 2019 | 152 | 20% |
| 2018 | 268 | 15% |
| 2017 | 45 | 14% |
| 2016 | 57 | 12% |
| 2015 | 81 | 17% |
| 2014 | 82 | 12% |
| 2013 | 103 | 16% |
| 2012 | 148 | 18% |
| 2011 | 83 | 17% |
| 2010 | 86 | 13% |
| 2009 | 35 | 9% |
| 2008 | 178 | 20% |
| 2007 | 82 | 15% |
| 2006 | 26 | 4% |
| 2005 | 20 | 3% |
| 2004 | 12 | 6% |
| 2003 | 9 | 9% |
| 2002 | 7 | 6% |
| 2001 | 37 | 22% |
| 2000 | 23 | 9% |
| 1999 | 53 | 25% |
| 1998 | 58 | 22% |
| 1997 | 14 | 3% |
| 1995 | 13 | 6% |
| 1994 | 4 | 3% |
| 1993 | 6 | 6% |
| 1992 | 6 | 8% |
| 1991 | 7 | 9% |
| 1990 | 4 | 5% |
| 1989 | 7 | 11% |
| 1988 | 4 | 8% |
| 1987 | 4 | 11% |
Other parts of the 2003 Jeep Wrangler
22 complaintsSuspension
18 complaintsSteering
14 complaintsFuel system
11 complaintsBrakes
10 complaintsAir bags
7 complaintsEngine cooling
6 complaintsSeat belts
6 complaintsOther or unknown
4 complaintsLatches, locks and linkages
3 complaintsBody and structure
3 complaintsExterior lighting
2 complaints
← All problems reported for the 2003 Jeep Wrangler
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology