CONSUMER STATES EXPERIENCING ELECTRICAL PROBLEMS, ALSO WITH THE WIRING HARNESS UNDER THE DASH. *TT
1999 Volvo 770
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all 770 years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 0 of 33 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Suspension. Review the 21 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Electrical System. Review the 13 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Power Train. Review the 12 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
Electrical System complaints
13 reportsVEHICLE IS EXHIBITING PROBLEMS WITH THE STARTER. VEHICLE WAS TOWED TWICE FOR REPAIR. *JG
OVER THE LAST 3 YEARS, VEHICLE HAS HAD 2 RADIATORS AND 3 INTERCOOLERS REPLACED, THE ENGINE HAS BEEN WORKED ON FIVE TIMES, IT SMOKES HEAVILY AND EXPERIENCES A LOSS OF POWER. *TT
THE ELECTRONIC CONTROL MODULE FAILED. *JG
CONSUMER STATES THAT TURBO WENT OUT AND ALSO EXPERIENCED 3 AIR TO AIR COOLER PROBLEM. *YD
CONSUMER OWNS 2 OF THESE TRUCKS THAT ARE EXPERIENCING ELECTRICAL PROBLEMS. *YH
WHILE DRIVING, THE SLEEPER BERTH MOON ROOF WINDOW SHATTERED WITHOUT WARNING, THE WINDOW WAS CLOSED AT THE TIMES OF FAILURE.*JB
AIR CONDITIONING BELT WAS LOOSE AND NEEDED ADJUSTED. *TT
CONSUMER HAS BEEN EXPERIENCING PROBLEMS WITH THE WIRING HARNESS UNDER THE DASH.*JB
CONSUMER HAS EXPERIENCED PROBLEMS WITH THE WIRING HARNESS. *TT CONSUMER EXPERIENCING WIRING HARNESS PROBLEM UNDER THE DASH AND ALSO STARTER WIRING. *YH
Official recalls
0No recalls in this snapshot.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
4EA02021 · Front Suspension U-BOLTS Loosen Or Break
Opened Sep 6, 2002 · Closed Nov 6, 2003
Status: closed (inferred from source dates) · Suspension
ODI'SINVESTIGATION DID NOT FIND ANY EVIDENCE THAT LOOSE OR BROKENFRONT SUSPENSION U-BOLTS HAVE CAUSED OR CONTRIBUTED TO ANY CRASHES OR NEAR MISS EVENTS.SEE THE ATTACHED ENGINEERING ANALYSISREPORT FOR FULL TECHNICAL DETAILS.* 1996/1997 BUILT VEHICLES ARE DESIGNATED BY VOLVO AS 1998 MODEL YEAR.
PE01040 · Sleeper Berth Fires
Opened Dec 3, 2001 · Closed Mar 26, 2002
Status: closed (inferred from source dates) · Electrical System
No summary supplied.
PE01041 · Steering Gearbox Or U-JOINT
Opened Dec 3, 2001 · Closed Jun 14, 2002
Status: closed (inferred from source dates) · Steering
No summary supplied.
PE01042 · Steering Axle U-BOLT
Opened Dec 3, 2001 · Closed Sep 6, 2002
Status: closed (inferred from source dates) · Steering
No summary supplied.
Illustration