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Symptom Chart

SYMPTOM CHART

Condition Possible Sources Action
No communication with the powertrain control module (PCM)
  • Battery junction box (BJB) fuse(s):
    • 11 (40A).
    • 40 (15A).
  • Circuitry.
  • PCM.
 REFER to MODULE COMMUNICATIONS NETWORK to continue communication diagnostics.
The speed control switch is inoperative - no DTCs
  • Speed control switch.
 INSTALL a new speed control switch. REFER to SPEED CONTROL SWITCH - WITH REMOTE AUDIO/CLIMATE CONTROLS  or SPEED CONTROL SWITCH - WITHOUT REMOTE AUDIO/CLIMATE CONTROLS .
The speed control is inoperative - no DTCs
  • Low battery voltage.
  • Circuitry.
  • Digital transmission range (TR) sensor (automatic transmission only).
  • Parking brake switch.
 Go To PINPOINT TEST F .
The speed control indicator lamp is always on
  • Circuitry.
  • Instrument cluster.
  • Powertrain control module (PCM).
 Go To PINPOINT TEST G .
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