1971 Jeep CJ5

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1971 CJ5.

Owner how-tos

Condensed service procedures for routine maintenance. Procedures that require dealer diagnostic equipment are identified and summarized only.

Key fob — remote (RKE) programming programming new fob buttons Dealer tool OEM · verified

Tool required	DRBIII scan tool (dealer / locksmith)
Why	Transmitter codes are written into the receiver in the passenger door module

Anti-theft (SKIS) — module initialization after immobilizer module replacement Dealer tool OEM · verified

When needed	After Sentry Key Immobilizer Module (SKIM) replacement
Tool required	DRBIII scan tool
Also required	The vehicle's four-digit PIN code

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

Catalyst system efficiency below threshold — Bank 1

Random / multiple cylinder misfire detected

System too lean — Bank 1

Evaporative emission system leak detected — large leak

Coolant thermostat below regulating temperature

Evaporative emission system leak detected — small leak

Decode factory build data for a specific vehicle by VIN.

VIN

Decode a VIN to confirm the transmission and build data for a specific CJ5. OEM

Build data

Plant, GVWR class, engine and body data for any 17-character VIN.

Recalls

Check open recall campaigns against a specific vehicle by VIN.

Cross-vehicle references for the kinds of data on this page.