Circuit Description
This DTC checks for an abnormal VSS input to the cruise control module or a malfunction within the cruise control module.
Diagnostic Aids
Check for the following:
| • | DTCs in the powertrain control module. |
| • | If the speedometer operates normally, the VSS is OK. |
| • | Open or high resistance in the PPL/WHT wire between junction block 3 and the cruise control module. |
| • | Faulty cruise control module. |
An intermittent may be caused by a poor connection, rubbed through wire insulation or a wire broken inside the insulation. Inspect the following harness connectors for backed out terminals, improper mating, broken lock, improperly formed or damaged terminals or for poor terminal-to-wire connection before replacing the suspect component:
| • | Cruise control module connector |
| • | Junction block 3 C1 |
| • | C210 |
Test Description
Number(s) below refer to the step number(s) on the Diagnostic Table.
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Was the Cruise Control Diagnostic System Check performed? | -- | ||
Does the reading vary within the specified range? | 0-8 V | |||
3 | Replace the cruise control module. Is the repair complete? | -- | -- | |
4 | Repair the open or high resistance in the PPL/WHT wire between the module and junction block 3. Is the repair complete? | -- | -- |
