# Service bulletins for the 2008 Peterbilt 388

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

19 bulletins from NHTSA, as of 2026-10-19.

- [42\-070](/bulletins/11038569.md), 2026-10-17, Service bulletin: UNKNOWN OR OTHER. Due to supplier constraints, an authorized aftermarket surge tank has been made available.
- [P001](/bulletins/11037541.md), 2026-09-29, Service bulletin: ENGINE. "Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes. 2 chassis added to the chassis list. Peterbilt: Dealers should check the chassis list and SIR weekly for VIN changes. 10 chassis added to the chassis list."
- [1210F](/bulletins/11009719.md), 2024-11-04, Service bulletin: POWER TRAIN. 1210F \- SPL 170XL Interaxle Driveline Warranty section has been updated with descriptions of Recommended Repairs and an updated PRWS Claim Coding table has been added.
- [02\-160](/bulletins/10188550.md), 2021-03-10, Service bulletin: VISIBILITY; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; VISIBILITY:WINDSHIELD WIPER/WASHER. Information Only – Windshield washer pumps have a high No Trouble Found rate. Washer pumps may fail to spray due to a clogged filter.
- [32\-015](/bulletins/10177021.md), 2020-07-03, Service bulletin: ELECTRICAL SYSTEM. Information Only: This bulletin provides dealers with a battery warranty quick reference guide to ensure the appropriate tests for battery warranty are performed in order to prevent battery warranty claims filed with incorrect or incomplete information.
- [43\-067](/bulletins/10177019.md), 2020-07-03, Service bulletin: STRUCTURE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Fix as Fail: For all conventional models, except 387/587, equipped with Side\-of\-Cab \(“SOC”\) exhaust and built from 03/6/2006 to 1/20/2020, the clamps that secure the SOC exhaust stacks may not be tightened properly. This may allow the exhaust stack to rotate and contact the cab or sleeper.
- [11\-001](/bulletins/10176033.md), 2020-06-02, Service bulletin: POWER TRAIN. Information only: Hendrickson Softek front axle maintenance intervals and requirements.
- [34\-085](/bulletins/10173212.md), 2020-04-03, Service bulletin: VEHICLE SPEED CONTROL; ELECTRICAL SYSTEM. Information Only – Vehicles may have the connector seals on the wheel speed sensor incorrectly installed, which may lead to water intrusion and corrosion in some vehicles.
- [32\-016](/bulletins/10173205.md), 2020-04-03, Service bulletin: EQUIPMENT. Information Only: Proper jump\-starting voltage will eliminate high voltage related issues and equipment damage.
- [34\-085](/bulletins/10172036.md), 2020-03-04, Service bulletin: VEHICLE SPEED CONTROL; ELECTRICAL SYSTEM. Information Only: Vehicles may have the connector seal on the wheel speed sensor incorrectly installed, which may lead to sensor corrosion.
- [01\-075](/bulletins/10168703.md), 2019-12-04, Service bulletin: ENGINE AND ENGINE COOLING. Information Only: This bulletin provides guidance for repairing an air\-conditioning system after internal failure of the A/C compressor.
- [34\-066](/bulletins/10162392.md), 2019-07-08, Service bulletin: ELECTRICAL SYSTEM. Information Only \- Quick Reference Guide for Electric harness damage repairs.
- [34\-077](/bulletins/10159674.md), 2019-05-13, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT:ELECTRICAL. Information Only: Proper instructions for closure of power distribution box cover to prevent corrosion.
- [13\-049](/bulletins/10154733.md), 2019-03-18, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. Information: Bendix ACOM Software version 6.16.5.0 for diagnostics may introduce an unrecoverable error. Notice to dealers to replace this version with older software version until Bendix introduces new version.
- [03\-064](/bulletins/10143649.md), 2018-08-13, Service bulletin: ELECTRICAL SYSTEM. Information \- Recommended Practices for Updating ESA Software
- [8110](/bulletins/10033584.md), 2010-08-26, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:DIESEL; ENGINE AND ENGINE COOLING:ENGINE. CUMMINS ISX, OR CUMMINS ISM ENGINES EXPERIENCING A PREMATURE FAILURE OF THE FAN HUB BEARINGS. \*KB
- [FRN\-808\-1](/bulletins/10027645.md), 2009-01-28, Service bulletin: ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR; ELECTRICAL SYSTEM. PETERBILT TRUCKS: THE ELECTRICAL SYSTEM MAY SHUT DOWN DUE TO A POWER SURGE. WHEN THIS OCCURS, THE GREEN LIGHT ON THE COMFORTCLASS CONTROL PANEL TURNS TO RED. \*PE
- [808\-4](/bulletins/10026729.md), 2008-12-09, Service bulletin: WHEELS; SERVICE BRAKES, AIR. PETERBILT TRUCKS SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. CERTAIN PETERBILT TRUCKS MANUFACTURED WITH UNDER TORQUED BRAKE ASSEMBLY MOUNTING BOLTS ON HENDRICKSON 8,000 LB PUSHER AXLES. CSC LETTER WAS RECEIVED. \*PE
- [608\-1](/bulletins/10026567.md), 2008-11-08, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:DIESEL. PETERBILT: TRUCKS BUILT WITH CUMMINS ISL ENGINES BETWEEN 1/16/08\-6/10/08. DUE TO A MATERIAL ERROR, CERTAIN VEHICLES ORDERED WITH OPTIONAL C\-BRAKE BY CUMMINS \(OPTION CODE NUMBER 2812140\) DID NOT RECEIVE A C\-BRAKE ON THE ENGINE. \*PE

JSON: [/v1/vehicles/2008_peterbilt_388/bulletins](/v1/vehicles/2008_peterbilt_388/bulletins)

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