Cannot Program Radio Or Nav Voice Guidance Volume Is Low - keywords audio navigation service SPS system

The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.

After replacing the radio, a technician may find radio programming is not supported by TIS2WEB. Also it may be noticed that the voice guidance volume is very low and cannot be changed on vehicles equipped with the navigation radio, if the system is tested before completing the radio programming.

Any time the radio is replaced or a diagnostic procedure requires radio programming, the radio must be programmed using Service Programming System (SPS). Contact the Techline Customer Support Center (TCSC) at 1-800-828-6860 if further assistance is required.

Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.