Investigations
Stop Lamp Switch Signal
NHTSA Preliminary Evaluation PE13002 - closed, opened 2013-02-07.
NHTSA investigation PE13002 is a Preliminary Evaluation opened on 2013-02-07 and currently closed. The subject is tracked inside the Office of Defects Investigation queue. Latest activity on this investigation was logged on 2013-07-03 - NHTSA updates that field whenever an Information Request goes out, a supplement is filed, or a status change is recorded in the public docket.
A Preliminary Evaluation like PE13002 is the entry point of the federal defect-investigation process. NHTSA engineers scan complaint databases, field reports, and manufacturer data to decide whether an Engineering Analysis is warranted, whether a voluntary recall is already sufficient, or whether the pattern does not rise to a defect finding.
Investigators summarized the matter as follows: "The Office of Defects Investigation (ODI) received Early Warning Reporting (EWR) data from the manufacturer that indicated some number of subject vehicles equipped with the subject automated manual transmission had alleg..." Investigations are the early-warning layer of the federal auto-safety system, sitting upstream of formal recalls and defect orders. Whether this one closes without action or escalates into an Engineering Analysis, the full history stays in the ODI archive so researchers, litigators, and buyers can pull the paper trail at any time.
Investigation Summary
The Office of Defects Investigation (ODI) received Early Warning Reporting (EWR) data from the manufacturer that indicated some number of subject vehicles equipped with the subject automated manual transmission had allegedly experienced a condition where the clutch failed to automatically disengage the transmission from the engine as intended. This may result in extended stopping distances and/or unintended forward motion of a vehicle previously at rest. To date, ODI is aware of 134 subject vehicles with one or more complaints or field reports related to this condition. Also, ODI is aware of 164 subject vehicles with one or more warranty claims related to this condition. By letter dated June 25, 2013, Volvo Trucks North America (Volvo) notified ODI that it has initiated a safety recall (NHTSA Recall No. 13V268 and Volvo Recall No. RVXX1303) to address a safety defect in approximately 23,003 model year (MY) 2007 through 2014 Volvo VAH, VHD, VNL, VNM and VT model trucks. The affected vehicles were manufactured from December 20, 2006 through May 22, 2013 and were originally equipped with the subject automated manual transmissions. According to Volvo, reports of the subject transmission clutch mechanism failing to automatically disengage as intended are associated with the removal of a brake pedal micro switch that provided a redundant signal to the transmission control module indicating the brakes had been applied. Previously, Volvo had removed this brake pedal micro switch from new vehicle production and from certain vehicles already in-service via two field service campaigns (SP 432-024 and SP 432-026) because it decided the switch was unnecessary and/or a maintenance issue. In the absence of this redundant brake pedal micro switch, the clutch mechanism may fail to disengage the transmission from the engine at low vehicle speed should the stop lamp switch fail to send and/or the transmission control module fail to receive the primary signal. At the time of this closi
About This Investigation Type
A Preliminary Evaluation (PE) is the first phase of NHTSA's investigation process. It is opened when the agency identifies a potential safety defect pattern, usually triggered by consumer complaints, manufacturer reports, or field monitoring. During a PE, NHTSA gathers information to determine whether a formal engineering analysis is warranted.
Data from NHTSA Office of Defects Investigation. Cross-references: NHTSA recall campaign API and NHTSA FARS where fatality records overlap. PlainCars does not rate or recommend vehicles. about how PlainCars sources NHTSA data.
Read our methodology - how this data is sourced, computed, and verified.