Tl* the contact owns a 2008 Jeep grand cherokee. While driving approximately 15 MPH, the ignition slipped out of the run position and approached a traffic light. The contact placed the vehicle into park and restarted the engine. The dealer stated that the part was unavailable to repair the vehicle. The manufacturer was not notified. The failure mileage was approximately 38,000.
2008 Jeep Grand Cherokee electrical problems
moderate 419 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
Failure mileage
Complaints
419
Recalls
0
Avg fix
$850
7crashes
3fires
1injury
When does it fail?
Of the 419 electrical complaints filed for the 2008 Jeep Grand Cherokee, here's the actual mileage breakdown — failures cluster heaviest at 25,000-50,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
Electrical accounts for 57% of every owner complaint on file for this vehicle — the dominant problem area across 12 categories tracked.
Owners have filed 419 electrical complaints with NHTSA against this vehicle, but no formal recall covers the issue — the federal record reflects what manufacturers have admitted, not everything owners are reporting.
The failure pattern owners describe
Buyer takeaway: The 2008 Grand Cherokee has a widespread electrical system problem centered on the ignition switch and wireless control module, causing engines to stall without warning at any speed, with no reliable permanent fix even after multiple part replacements. Recall parts were unavailable for years, and many VINs remain excluded from recalls despite identical failures.
The 2008 Grand Cherokee electrical system fails in several interconnected ways. The most dangerous: the engine cuts out without warning at speeds from 15 to 70 mph. You lose all electrical power—steering assist, brakes, dashboard everything—and the vehicle coasts to a stop. Restart usually works, but it may take several tries.
The root cause most owners and dealers cite is the wireless control module (WCM) or ignition switch assembly. The key FOB gets stuck between off and run positions, sometimes requiring 10–30 minutes or a battery disconnect before it releases. When the key is stuck, electrical loads drain the battery dead.
Dealers replaced the WCM, ignition switches, and key FOBs repeatedly. Many owners say the same part was swapped out two or three times with no lasting fix. One owner had the WCM replaced, then the stalling recurred nine months later, then again after another module swap—suggesting either defective replacement parts or a root cause dealers never addressed.
Recall P57 (NHTSA 14V-567) covered the sticking key FOB issue, but parts were on back order for 4–6 months or longer, leaving owners stranded. Chrysler refused loaner vehicles and claimed the ignition switch wasn't a safety concern, even when it cut the engine at highway speed. Many vehicles built one day after the recall's cutoff date were denied coverage despite experiencing identical failures.
Cascade electrical failures also occur: all dashboard lights illuminate at once, turn signals go out, AC dies, speedometer and fuel gauge stop working, and wipers run on their own—while the vehicle is moving. Dealers often can't replicate these events or find fault codes, making diagnosis nearly impossible.
Same Jeep Grand Cherokee electrical reports on nearby years: 2005 · 2006 · 2007 · 2009 · 2010
Failure modes owners describe
Ignition Switch/Key FOB Sticking
Key FOB becomes stuck between OFF and RUN/START positions, preventing removal or requiring extended waiting periods. Some owners report needing to disconnect the battery or wait 10-30+ minutes for a clicking noise before the key releases.
When: Intermittent, recurring over months to years; some owners report issues starting within weeks of purchase
Symptoms owners cite: Key will not exit ignition after turning vehicle off; Key stuck between OFF and RUN or between RUN and START positions; Clicking noise heard from ignition before key releases; Radio, clock, and gear shift panel remain lit with key stuck, draining battery; Loss of electrical features while key is stuck in intermediate position
Codes mentioned: P0688 (ASD Relay)
Repairs/costs cited: Dealers replaced Wireless Control Module (WCM), ignition switches, key FOBs (FOBIK), and ignition switch assemblies. Costs cited include $200+ diagnostic fees, $750 for module and keys. Multiple owners report parts on national back order.
Recalls/TSBs owners mention: Recall P57/NHTSA 14V-567 issued for FOBIK sticking. Recall 14V567000 (Electrical System). Parts unavailable for extended periods (4-6+ months reported). Chrysler refused loaner vehicles. Some owners outside recall date ranges were denied coverage despite identical symptoms.
Unintended Engine Stall While Driving
Engine cuts out completely without warning at various speeds (15-70 mph), causing loss of power steering, power brakes, and all electrical systems. Vehicle typically restarts after several attempts or coasting to a stop.
When: Recurring multiple times over months to years; first incident often within 1-2 weeks of electrical symptoms
Symptoms owners cite: Engine suddenly dies while driving with no warning or sputtering; Complete loss of electrical power including dash, lights, and steering assist; Loss of power steering assist; Loss of power brake booster assist; Vehicle must be restarted after stalling; Stalls occur across varying road conditions—highways, local roads, parking lots
Codes mentioned: P0688
Repairs/costs cited: Dealers replaced Wireless Control Module (WCM), Front Control Module, and ignition-related components. Multiple owners report repeated replacements of the same parts (WCM replaced twice or more) with no lasting resolution. One owner spent $2,091 on Powertrain Control Module and engine wiring harness replacement after battery acid damage.
Recalls/TSBs owners mention: Recall 08V059000 (Electrical System) issued for some model years but many 2008 model VINs not included despite experiencing identical failures. Chrysler case numbers assigned but no timely resolution provided.
Wireless Control Module (WCM) Failure
WCM fails to recognize key FOBs, preventing vehicle start or causing unexpected shutdowns. Multiple dealers cite this as the root cause of ignition and stalling issues.
When: Variable; some failures early in ownership, others after years of operation
Symptoms owners cite: Vehicle will not start; key not recognized by ignition; Engine cuts out while driving; Key FOB not recognized despite being valid; Intermittent stalling that recurs after module replacement
Repairs/costs cited: WCM replacement required; typically $750+ with new key FOBs. Multiple owners report replacement did not permanently fix problem. Parts frequently on back order.
Recalls/TSBs owners mention: Covered under some recalls; others denied due to VIN/date exclusions. One owner filed for reimbursement after out-of-pocket replacement but was denied until a second recall notice issued.
Dashboard Warning Lights and System Cascade Failures
Multiple warning lights illuminate simultaneously (ABS, ESP, airbag, check engine) often triggered by turn signal operation or electrical glitch. Radio/nav console pixelates or blacks out. Service and system warnings appear. Multiple electrical components fail at once (turn signals, hazard lights, AC, fuel gauge, tachometer, speedometer, wipers).
When: Sudden onset while driving; some instances resolve after vehicle off-time or restart
Symptoms owners cite: All dashboard indicator lamps light up simultaneously; Warning tone sounds while driving; Turn signals become inoperative; AC becomes inoperative; Hazard lights inoperative; Fuel gauge, tachometer, speedometer inoperative; Navigation/radio console pixelates or blacks out; Wipers operate uncontrollably or cannot be turned off; Unable to signal, use lights, or control wipers while driving; Service Gauges, Park Assist, Check Sensors, Service Suspension warnings appear; Engine stalls during cascading electrical event
Repairs/costs cited: Dealers suggested pulling IOD relay with no improvement. Some issues cleared after 1+ hour vehicle off-time. No fault codes detected in some cases despite symptoms. One owner's brakes locked up during event.
Recalls/TSBs owners mention: No recalls cited for this specific failure pattern. Dealers unable to diagnose or replicate issues.
Uncontrolled Gear Shifting and Transmission Anomalies
Vehicle unexpectedly shifts into neutral or reverse without driver input, or fails to shift into neutral in transfer case. One owner reported vehicle shifted into reverse while attempting to shift into drive.
When: One highway incident at 55 mph; transfer case issues recurring over months
Symptoms owners cite: Vehicle shifts into neutral without driver input while driving; Automatic gear shifting failure; Unable to shift into neutral in transfer case; Vehicle drove forward when shifted into reverse; Loss of ability to control gear position
Repairs/costs cited: Transfer case actuator replaced multiple times (twice in one year) with recurring failure. Transmission Control Module (TCM) reflashed multiple times. Star Engineers involvement did not identify root cause. No lasting resolution.
Recalls/TSBs owners mention: Recall N23 performed; problem recurred. Recall effort did not address root issue. Final Drive Control Module not inspected despite being point where recall problem started.
Starter/Ignition System Failure
Vehicle will not turn over or start; key will not activate starter. Some instances accompanied by abnormal clicking noises. Starter replaced multiple times without lasting resolution.
When: Intermittent; some vehicles fail to start for days at a time after one successful operation
Symptoms owners cite: Vehicle will not start despite key in ignition; No clicking or noise; engine does not turn over; Abnormal clicking noise when attempting to start; Key turns but engine does not respond; Intermittent non-starting episodes that resolve unexpectedly
Repairs/costs cited: Starters replaced; starter, alternator, and battery replaced in one vehicle with no resolution. Diagnostic costs $200+. One owner's workaround: slamming door with key in ignition to start vehicle.
Recalls/TSBs owners mention: Recall P57/14V567000 acknowledged for some vehicles; parts unavailable for extended periods.
Battery Drainage and Electrical Parasitic Draw
Battery drains while vehicle is off, often due to electrical components (radio, clock, gear shift panel) remaining powered when ignition key is stuck.
When: Chronic issue when key remains stuck in ignition
Symptoms owners cite: Battery dies repeatedly; Electrical components remain on with key stuck in ignition; Radio, clock, and gear shift panel stay lit; Vehicle will not start due to dead battery
Repairs/costs cited: One owner purchased $70 jump start kit due to repeated dead batteries. Issue resolved only when ignition switch was repaired.
Recalls/TSBs owners mention: No manufacturer intervention noted for this symptom.
Sunroof Drain Failure and Water Intrusion
Sunroof drain does not function properly during cold weather transitions with precipitation, causing water to leak into cabin from center ceiling, map lights, garage door panel, and driver-side column.
When: Occurs during below-freezing weather that turns to rain/snow
Symptoms owners cite: Water pours from center ceiling map lights; Water exits garage door control panel; Water leaks from driver-side column and door handle area; Causes major driving distraction; Risk of severe electrical damage and mold/mildew buildup
Repairs/costs cited: No repair provided. Owner noted class-action lawsuit against Chrysler regarding this issue on multiple models.
Recalls/TSBs owners mention: Corporate claims no knowledge of issue despite class-action lawsuit. Dealer and Jeep unable to provide remedy.
Powertrain Control Module Damage from Battery Acid
Battery acid from leaking battery corrodes Powertrain Control Module and wiring harness connector, causing false diagnostic readings and misdiagnosis of electrical issues.
When: Discovered during diagnostic work; timing unclear
Symptoms owners cite: Check engine light comes on intermittently; Engine dies on freeway; False diagnostic codes due to corroded module
Codes mentioned: Check engine light
Repairs/costs cited: Powertrain Control Module and engine wiring harness replacement quoted at $2,091 total. Owner unable to afford repair and unable to obtain accurate diagnosis.
Recalls/TSBs owners mention: None noted.
Sudden Acceleration and Loss of Braking/Steering Control
Throttle accelerates uncontrollably; vehicle accelerates as if stuck throttle despite pedal not being pressed. Loss of power steering and braking during incidents.
When: Single reported incident
Symptoms owners cite: Vehicle accelerates suddenly without driver input; Throttle pedal not stuck but acceleration continues; Loss of brakes and steering; Loss of power steering assist
Repairs/costs cited: Multiple repairs performed; problem persists. Owner had to shift into neutral and drive through neighbor's yard to avoid intersection; nearly hit pedestrian.
Recalls/TSBs owners mention: Chrysler aware of stalling problem; multiple replacements attempted (case number [XXX]) but issue unresolved.
Synthesized from 419 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 9 most recent
Tl* the contact owns a 2008 Jeep grand cherokee. The contact stated that while attempting to start the vehicle, it failed to start. The contact also stated that the key was difficult to remove from the ignition. The failure recurred multiple times. The vehicle was not diagnosed or repaired. The contact received notification of NHTSA campaign number: 14v567000 (electrical system) however, the part…
While traveling on the highway at about 70 MPH, the engine stalled and shut down. I had to pull over to the side and restart the car to continue. I've had similar issues with this vehicle dozens of times and I fear that one day it will cause an accident when it shuts down on me. The dealer seems to not know what to do about it and I'm scared that I'll get hurt driving the car. *tr
This vehicle has been to the dealer and corporate has been notified. The situation starts when the weather is below freezing or snowing then turns to rain. The sunroof drain does not work properly causing water to pour out of the center ceiling map lights,the garage door control panel, the driver side column, and the handle to get into the vehicle. This causes a major distraction while driving…
Tl* the contact owns a 2008 Jeep grand cherokee. The contact stated that the electrical module was burning through wires. In addition, the vehicle would stall sporadically and would often fail to start. The dealer informed the contact that the electrical module was defective and needed to be replaced. The manufacturer was aware of the failure but failed to offer any assistance. The vehicle…
Tl* the contact owns a 2008 Jeep grand cherokee. While driving 75 MPH, the accelerator pedal was depressed and the vehicle failed to respond. The contact was able to safely exit the highway, shut off, and restart the vehicle. The contact stated that the vehicle drove normally once restarted. The vehicle was taken to be diagnosed; however, the mechanic was unable to duplicate the failure. There…
Tl* the contact owns a 2008 Jeep grand cherokee. The contact received notification of NHTSA campaign number: 14v567000 (electrical system); however, the part to do the repair was unavailable. The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not expierenced a failure. Parts…
Tl* the contact owns a 2008 Jeep grand cherokee. The contact received a recall notification for NHTSA campaign number: 14v567000 (electrical system). The parts needed for the repair were not available. The vehicle was taken to the dealer who stated that the parts were on back order. The dealer was unable to provide a time frame for when the part would become available. The manufacturer was not…
Tl* the contact owns a 2008 Jeep grand cherokee. The contact stated that the wire harness short circuited. The dealer diagnosed that the wire harness needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was 143,000. Updated 02/15/2017*ct
Had electrical trouble with your 2008 Jeep Grand Cherokee?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the electrical problem on the 2008 Jeep Grand Cherokee?
It's a documented issue but not catastrophic. 419 complaints have been filed. Repairs average $850 and most owners catch it before it causes a breakdown.
At what mileage does the electrical typically fail?
Across the 240 complaints that reported odometer mileage, most electrical failures cluster between 55,000 and 102,210 miles, with the median around 79,872. A quarter of owners report trouble before 55,000; a quarter make it past 102,210. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2008/Jeep/Grand Cherokee.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.