Vehicle Speed Control Related Problems of the 1999 GMC C1500

Table 1 shows one common vehicle speed control related problems of the 1999 GMC C1500.

Table 1. Vehicle Speed Control related problems of GMC C1500

Problem Category	Number of Problems
Vehicle Speed Control problems	1

Vehicle Speed Control problem

While traveling vehicle idles high. To reduce idle consumer had to put vehicle in neutral. Low idle goes to only 1000 rpm. Vehicle fails to throttle back for four second.

Vehicle Speed Control related problems in other GMC C1500 model year vehicles:

Cruise Control problems of the 1996 GMC C1500
Car Accelerates On Its Own problems of the 2000 GMC C1500
Vehicle Speed Control problems of the 2000 GMC C1500

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Switch Model:

☘ C1500 Service Bulletins

⚑ C1500 Safety Recalls

☤ C1500 Defect Investigations