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HOMESERVICE MANUALSJEEP2008COMMANDER OVERLAND, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESTRACTION CONTROLANTI-LOCK BRAKE SYSTEM - ELECTRICAL DIAGNOSTICSBRAKES - ELECTRICAL DIAGNOSTICSABSDTC TROUBLESHOOTINGC1078-TIRE REVOLUTIONS RANGE PERFORMANCEDIAGNOSTIC TEST
2008 Jeep Commander Overland, 4WD

Diagnostic Test

2008 Jeep Commander Overland, 4WDSECTION Diagnostic Test
  1. INCORRECT VALUE PROGRAMMED INTO FCM 
    TIRE SIZE BODY STYLE ENGINE SIZE SALES CODE TIRE DIAMETER (MM)
    P245/65R 17 BSW ALL TERRAIN WK, XH ALL TCF, 2305
    P245/65R 17 OWL ALL TERRAIN WK, XK ALL TCG 2305
    P245/60R 18 BSW AS PERFORMANCE WK, XK ALL TUU 2310
    255/45R 20 285/40ZR 20 ASP WK ALL TVG, TVT 2258
    245/45ZR 20 BSW PERFORMANCE WK ALL TVH 2243
    P245/60R 18 BSW ALL TERRAIN XK ALL TUN, TJP 2329
    LT245/65R 17 WRANGLER HP WK ALL TYC, 2273
    P245/65R 17 BSW ALL SEASON WH, XH ALL TVX,TCF 2305
    P245/65R 17BSW ALL SEASON WK ALL TY6 2273
    P245/65R 17 BSW ALL TERRAIN WK ALL TCH 2305

    Verify the correct Tire/wheel information is programmed in the FCM.

    Is the correct value programmed in the FCM according to the chart? 

    Yes 

    1. Test complete.
    2. Perform ABS VERIFICATION TEST .

    No 

    1. Program the correct Tire/Wheel information in the FCM.
    2. Perform ABS VERIFICATION TEST .
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.