1999 Volvo 770 Electrical system Problems
- Complaints
- 13about this part
- Share
- 39%of 33 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 13 complaints about the electrical system of the 1999 Volvo 770, 39% of the 33 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Consumer experiencing problems with the wiring harness under the dash, which caused a fire, gauges were erratic and cab controller ecu failed. Experienced other electrical problems with the battery which seems to be lasting 15 months. The alternator has been replaced 7 times. Gearbox sensor failed, consumer noticed fuses missing after possession of the truck.”
NHTSA complaint #565357, filed 2002-05“Consumer has problems with shearing u-bolts which have been replaced three times. The front end pops and creeks on slow speed turns. The front springs needed replacing. The dash has to be replaced every year due to excessive vibration. The window was broken and there are electrical problems due to bad grounds in the firewall.”
NHTSA complaint #565151, filed 2001-08“The u-bolt(s) has been a problem, one of the axles had broken while driving causing the tires to smoke and the shock to hang down. (Volvo replaced all axles and tires) the wiring harness has been a problem as well, the dash lights the circuit braeker frequently.”
NHTSA complaint #565033, filed 2001-08“Driver states cab is leaning; left rear u-bolts loose; inside tire cupped; vehicle experienced problems with the front springs and cab air ride height, air ride valve leaks, steer axle hub caps leaks; front end wanders, drag links replaced.”
NHTSA complaint #565246, filed 2001-08Related service bulletins
- 10215276Jun 21, 2022(Back Office) - Cruise Control Inoperative After Updating Software VECU5 Without ESP Package (UESP)
- 10215263Jun 6, 2022Unable To Retrieve "On Request" Messages For PeopleNet Or Omnitracs Modules Installed On The DL5 Data Link; Third Party Electronic Log Device Not Reporting Certain Data
- 10213604May 31, 2022Fuel Level Gauge Reading Incorrect In The Instrument Cluster
- 10213518May 17, 2022Volvo SNV15-008 Vocom Adapter ( 88890300 ) May Lock Up When Updating Firmware
- 10213510May 17, 2022Volvo Chassis Ghost Codes Due To Poor Grounding
- 10213508May 17, 2022Volvo Chassis - Fuel Level Gauge Slow To Respond To Changes In Fuel Level
- 10213519May 16, 2022Volvo Fault Code MID 144 PSID 204 FMI 9
- 10209840Mar 23, 2022Volvo Chassis - Diagnostic Trouble Code ( DTC ) P0420 Illuminating The Malfunction Indicator Lamp (MIL)
- 10212892Feb 3, 2022Shipping and Handling of Volvo Lithium-ion 48V Mild Hybrid Battery to Global Battery Solutions (GBS)
Electrical system: other model years
Other parts of the 1999 Volvo 770
21 complaintsTransmission and drivetrain
12 complaintsSteering
6 complaintsBody and structure
5 complaintsEngine cooling
4 complaintsEquipment
4 complaintsFuel system
4 complaintsOther or unknown
4 complaintsVisibility (wipers, defrost, mirrors)
4 complaintsBrakes
3 complaintsTires
3 complaintsExterior lighting
1 complaints
← All problems reported for the 1999 Volvo 770
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology